55219815

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 113106240

約数和(自身を除く): 57886425

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 79, 105, 147, 237, 245, 315, 317, 395, 441, 553, 711, 735, 951, 1185, 1585, 1659, 2205, 2219, 2765, 2853, 3555, 3871, 4755, 4977, 6657, 8295, 11095, 11613, 14265, 15533, 19355, 19971, 24885, 25043, 33285, 34839, 46599, 58065, 75129, 77665, 99855, 125215, 139797, 174195, 175301, 225387, 232995, 375645, 525903, 698985, 876505, 1126935, 1227107, 1577709, 2629515, 3681321, 6135535, 7888545, 11043963, 18406605, 55219815]

約数ペア:

[(1, 55219815), (3, 18406605), (5, 11043963), (7, 7888545), (9, 6135535), (15, 3681321), (21, 2629515), (35, 1577709), (45, 1227107), (49, 1126935), (63, 876505), (79, 698985), (105, 525903), (147, 375645), (237, 232995), (245, 225387), (315, 175301), (317, 174195), (395, 139797), (441, 125215), (553, 99855), (711, 77665), (735, 75129), (951, 58065), (1185, 46599), (1585, 34839), (1659, 33285), (2205, 25043), (2219, 24885), (2765, 19971), (2853, 19355), (3555, 15533), (3871, 14265), (4755, 11613), (4977, 11095), (6657, 8295)]