39895515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 80668224

約数和(自身を除く): 40772709

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 363, 431, 495, 561, 605, 765, 935, 1089, 1293, 1683, 1815, 2057, 2155, 2805, 3879, 4741, 5445, 6171, 6465, 7327, 8415, 10285, 14223, 18513, 19395, 21981, 23705, 30855, 36635, 42669, 52151, 65943, 71115, 80597, 92565, 109905, 156453, 213345, 241791, 260755, 329715, 402985, 469359, 725373, 782265, 886567, 1208955, 2346795, 2659701, 3626865, 4432835, 7979103, 13298505, 39895515]

約数ペア:

[(1, 39895515), (3, 13298505), (5, 7979103), (9, 4432835), (11, 3626865), (15, 2659701), (17, 2346795), (33, 1208955), (45, 886567), (51, 782265), (55, 725373), (85, 469359), (99, 402985), (121, 329715), (153, 260755), (165, 241791), (187, 213345), (255, 156453), (363, 109905), (431, 92565), (495, 80597), (561, 71115), (605, 65943), (765, 52151), (935, 42669), (1089, 36635), (1293, 30855), (1683, 23705), (1815, 21981), (2057, 19395), (2155, 18513), (2805, 14223), (3879, 10285), (4741, 8415), (5445, 7327), (6171, 6465)]