15305205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 25534080

約数和(自身を除く): 10228875

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 389, 645, 915, 1167, 1945, 2623, 5835, 7869, 13115, 16727, 23729, 39345, 50181, 71187, 83635, 118645, 250905, 355935, 1020347, 3061041, 5101735, 15305205]

約数ペア:

[(1, 15305205), (3, 5101735), (5, 3061041), (15, 1020347), (43, 355935), (61, 250905), (129, 118645), (183, 83635), (215, 71187), (305, 50181), (389, 39345), (645, 23729), (915, 16727), (1167, 13115), (1945, 7869), (2623, 5835)]