28421625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3989}}^1$

素因数の和:4026

約数の個数: 32

約数和(自身を含む): 49795200

約数和(自身を除く): 21373575

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 3989, 7125, 11967, 19945, 59835, 75791, 99725, 227373, 299175, 378955, 498625, 1136865, 1495875, 1894775, 5684325, 9473875, 28421625]

約数ペア:

[(1, 28421625), (3, 9473875), (5, 5684325), (15, 1894775), (19, 1495875), (25, 1136865), (57, 498625), (75, 378955), (95, 299175), (125, 227373), (285, 99725), (375, 75791), (475, 59835), (1425, 19945), (2375, 11967), (3989, 7125)]