199701855

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2503}}^1$

素因数の和:2717

約数の個数: 40

約数和(自身を含む): 359944992

約数和(自身を除く): 160243137

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 405, 591, 985, 1773, 2503, 2955, 5319, 7509, 8865, 12515, 15957, 22527, 26595, 37545, 67581, 79785, 112635, 202743, 337905, 493091, 1013715, 1479273, 2465455, 4437819, 7396365, 13313457, 22189095, 39940371, 66567285, 199701855]

約数ペア:

[(1, 199701855), (3, 66567285), (5, 39940371), (9, 22189095), (15, 13313457), (27, 7396365), (45, 4437819), (81, 2465455), (135, 1479273), (197, 1013715), (405, 493091), (591, 337905), (985, 202743), (1773, 112635), (2503, 79785), (2955, 67581), (5319, 37545), (7509, 26595), (8865, 22527), (12515, 15957)]