2869515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 5975424

約数和(自身を除く): 3105909

約数列:

[1, 3, 5, 9, 11, 15, 17, 31, 33, 45, 51, 55, 85, 93, 99, 121, 153, 155, 165, 187, 255, 279, 341, 363, 465, 495, 527, 561, 605, 765, 935, 1023, 1089, 1395, 1581, 1683, 1705, 1815, 2057, 2635, 2805, 3069, 3751, 4743, 5115, 5445, 5797, 6171, 7905, 8415, 10285, 11253, 15345, 17391, 18513, 18755, 23715, 28985, 30855, 33759, 52173, 56265, 63767, 86955, 92565, 168795, 191301, 260865, 318835, 573903, 956505, 2869515]

約数ペア:

[(1, 2869515), (3, 956505), (5, 573903), (9, 318835), (11, 260865), (15, 191301), (17, 168795), (31, 92565), (33, 86955), (45, 63767), (51, 56265), (55, 52173), (85, 33759), (93, 30855), (99, 28985), (121, 23715), (153, 18755), (155, 18513), (165, 17391), (187, 15345), (255, 11253), (279, 10285), (341, 8415), (363, 7905), (465, 6171), (495, 5797), (527, 5445), (561, 5115), (605, 4743), (765, 3751), (935, 3069), (1023, 2805), (1089, 2635), (1395, 2057), (1581, 1815), (1683, 1705)]