17999685

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 128

約数和(自身を含む): 39813120

約数和(自身を除く): 21813435

約数列:

[1, 3, 5, 9, 11, 15, 17, 23, 27, 31, 33, 45, 51, 55, 69, 85, 93, 99, 115, 135, 153, 155, 165, 187, 207, 253, 255, 279, 297, 341, 345, 391, 459, 465, 495, 527, 561, 621, 713, 759, 765, 837, 935, 1023, 1035, 1173, 1265, 1395, 1485, 1581, 1683, 1705, 1955, 2139, 2277, 2295, 2635, 2805, 3069, 3105, 3519, 3565, 3795, 4185, 4301, 4743, 5049, 5115, 5797, 5865, 6417, 6831, 7843, 7905, 8415, 9207, 10557, 10695, 11385, 12121, 12903, 14229, 15345, 17391, 17595, 19251, 21505, 23529, 23715, 25245, 28985, 32085, 34155, 36363, 38709, 39215, 46035, 52173, 52785, 60605, 64515, 70587, 71145, 86955, 96255, 109089, 116127, 117645, 133331, 156519, 181815, 193545, 211761, 260865, 327267, 352935, 399993, 545445, 580635, 666655, 782595, 1058805, 1199979, 1636335, 1999965, 3599937, 5999895, 17999685]

約数ペア:

[(1, 17999685), (3, 5999895), (5, 3599937), (9, 1999965), (11, 1636335), (15, 1199979), (17, 1058805), (23, 782595), (27, 666655), (31, 580635), (33, 545445), (45, 399993), (51, 352935), (55, 327267), (69, 260865), (85, 211761), (93, 193545), (99, 181815), (115, 156519), (135, 133331), (153, 117645), (155, 116127), (165, 109089), (187, 96255), (207, 86955), (253, 71145), (255, 70587), (279, 64515), (297, 60605), (341, 52785), (345, 52173), (391, 46035), (459, 39215), (465, 38709), (495, 36363), (527, 34155), (561, 32085), (621, 28985), (713, 25245), (759, 23715), (765, 23529), (837, 21505), (935, 19251), (1023, 17595), (1035, 17391), (1173, 15345), (1265, 14229), (1395, 12903), (1485, 12121), (1581, 11385), (1683, 10695), (1705, 10557), (1955, 9207), (2139, 8415), (2277, 7905), (2295, 7843), (2635, 6831), (2805, 6417), (3069, 5865), (3105, 5797), (3519, 5115), (3565, 5049), (3795, 4743), (4185, 4301)]