212955855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2251}}^1$

素因数の和:2336

約数の個数: 64

約数和(自身を含む): 420277248

約数和(自身を除く): 207321393

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 53, 85, 105, 119, 159, 255, 265, 357, 371, 595, 795, 901, 1113, 1785, 1855, 2251, 2703, 4505, 5565, 6307, 6753, 11255, 13515, 15757, 18921, 31535, 33765, 38267, 47271, 78785, 94605, 114801, 119303, 191335, 236355, 267869, 357909, 574005, 596515, 803607, 835121, 1339345, 1789545, 2028151, 2505363, 4018035, 4175605, 6084453, 10140755, 12526815, 14197057, 30422265, 42591171, 70985285, 212955855]

約数ペア:

[(1, 212955855), (3, 70985285), (5, 42591171), (7, 30422265), (15, 14197057), (17, 12526815), (21, 10140755), (35, 6084453), (51, 4175605), (53, 4018035), (85, 2505363), (105, 2028151), (119, 1789545), (159, 1339345), (255, 835121), (265, 803607), (357, 596515), (371, 574005), (595, 357909), (795, 267869), (901, 236355), (1113, 191335), (1785, 119303), (1855, 114801), (2251, 94605), (2703, 78785), (4505, 47271), (5565, 38267), (6307, 33765), (6753, 31535), (11255, 18921), (13515, 15757)]