25213035

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 42120000

約数和(自身を除く): 16906965

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 389, 435, 447, 745, 1167, 1945, 2235, 4321, 5835, 11281, 12963, 21605, 33843, 56405, 57961, 64815, 169215, 173883, 289805, 869415, 1680869, 5042607, 8404345, 25213035]

約数ペア:

[(1, 25213035), (3, 8404345), (5, 5042607), (15, 1680869), (29, 869415), (87, 289805), (145, 173883), (149, 169215), (389, 64815), (435, 57961), (447, 56405), (745, 33843), (1167, 21605), (1945, 12963), (2235, 11281), (4321, 5835)]