67761855

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 138715200

約数和(自身を除く): 70953345

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 79, 105, 147, 237, 245, 315, 389, 395, 441, 553, 711, 735, 1167, 1185, 1659, 1945, 2205, 2723, 2765, 3501, 3555, 3871, 4977, 5835, 8169, 8295, 11613, 13615, 17505, 19061, 19355, 24507, 24885, 30731, 34839, 40845, 57183, 58065, 92193, 95305, 122535, 153655, 171549, 174195, 215117, 276579, 285915, 460965, 645351, 857745, 1075585, 1382895, 1505819, 1936053, 3226755, 4517457, 7529095, 9680265, 13552371, 22587285, 67761855]

約数ペア:

[(1, 67761855), (3, 22587285), (5, 13552371), (7, 9680265), (9, 7529095), (15, 4517457), (21, 3226755), (35, 1936053), (45, 1505819), (49, 1382895), (63, 1075585), (79, 857745), (105, 645351), (147, 460965), (237, 285915), (245, 276579), (315, 215117), (389, 174195), (395, 171549), (441, 153655), (553, 122535), (711, 95305), (735, 92193), (1167, 58065), (1185, 57183), (1659, 40845), (1945, 34839), (2205, 30731), (2723, 24885), (2765, 24507), (3501, 19355), (3555, 19061), (3871, 17505), (4977, 13615), (5835, 11613), (8169, 8295)]