201857805

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78697}}^1$

素因数の和:78730

約数の個数: 32

約数和(自身を含む): 377750400

約数和(自身を除く): 175892595

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 78697, 236091, 393485, 708273, 1180455, 1495243, 2124819, 3541365, 4485729, 7476215, 10624095, 13457187, 22428645, 40371561, 67285935, 201857805]

約数ペア:

[(1, 201857805), (3, 67285935), (5, 40371561), (9, 22428645), (15, 13457187), (19, 10624095), (27, 7476215), (45, 4485729), (57, 3541365), (95, 2124819), (135, 1495243), (171, 1180455), (285, 708273), (513, 393485), (855, 236091), (2565, 78697)]