28397925

素因数分解:

$3^3\times 5^2\times {\mathrm{42071}}^1$

素因数の和:42090

約数の個数: 24

約数和(自身を含む): 52169280

約数和(自身を除く): 23771355

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 42071, 126213, 210355, 378639, 631065, 1051775, 1135917, 1893195, 3155325, 5679585, 9465975, 28397925]

約数ペア:

[(1, 28397925), (3, 9465975), (5, 5679585), (9, 3155325), (15, 1893195), (25, 1135917), (27, 1051775), (45, 631065), (75, 378639), (135, 210355), (225, 126213), (675, 42071)]