9811890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 30250584

約数和(自身を除く): 20438694

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 53, 55, 66, 85, 90, 99, 102, 106, 110, 121, 153, 159, 165, 170, 187, 198, 242, 255, 265, 306, 318, 330, 363, 374, 477, 495, 510, 530, 561, 583, 605, 726, 765, 795, 901, 935, 954, 990, 1089, 1122, 1166, 1210, 1530, 1590, 1683, 1749, 1802, 1815, 1870, 2057, 2178, 2385, 2703, 2805, 2915, 3366, 3498, 3630, 4114, 4505, 4770, 5247, 5406, 5445, 5610, 5830, 6171, 6413, 8109, 8415, 8745, 9010, 9911, 10285, 10494, 10890, 12342, 12826, 13515, 16218, 16830, 17490, 18513, 19239, 19822, 20570, 26235, 27030, 29733, 30855, 32065, 37026, 38478, 40545, 49555, 52470, 57717, 59466, 61710, 64130, 81090, 89199, 92565, 96195, 99110, 109021, 115434, 148665, 178398, 185130, 192390, 218042, 288585, 297330, 327063, 445995, 545105, 577170, 654126, 891990, 981189, 1090210, 1635315, 1962378, 3270630, 4905945, 9811890]

約数ペア:

[(1, 9811890), (2, 4905945), (3, 3270630), (5, 1962378), (6, 1635315), (9, 1090210), (10, 981189), (11, 891990), (15, 654126), (17, 577170), (18, 545105), (22, 445995), (30, 327063), (33, 297330), (34, 288585), (45, 218042), (51, 192390), (53, 185130), (55, 178398), (66, 148665), (85, 115434), (90, 109021), (99, 99110), (102, 96195), (106, 92565), (110, 89199), (121, 81090), (153, 64130), (159, 61710), (165, 59466), (170, 57717), (187, 52470), (198, 49555), (242, 40545), (255, 38478), (265, 37026), (306, 32065), (318, 30855), (330, 29733), (363, 27030), (374, 26235), (477, 20570), (495, 19822), (510, 19239), (530, 18513), (561, 17490), (583, 16830), (605, 16218), (726, 13515), (765, 12826), (795, 12342), (901, 10890), (935, 10494), (954, 10285), (990, 9911), (1089, 9010), (1122, 8745), (1166, 8415), (1210, 8109), (1530, 6413), (1590, 6171), (1683, 5830), (1749, 5610), (1802, 5445), (1815, 5406), (1870, 5247), (2057, 4770), (2178, 4505), (2385, 4114), (2703, 3630), (2805, 3498), (2915, 3366)]