28778625

素因数分解:

$3^3\times 5^3\times {\mathrm{8527}}^1$

素因数の和:8551

約数の個数: 32

約数和(自身を含む): 53214720

約数和(自身を除く): 24436095

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 8527, 25581, 42635, 76743, 127905, 213175, 230229, 383715, 639525, 1065875, 1151145, 1918575, 3197625, 5755725, 9592875, 28778625]

約数ペア:

[(1, 28778625), (3, 9592875), (5, 5755725), (9, 3197625), (15, 1918575), (25, 1151145), (27, 1065875), (45, 639525), (75, 383715), (125, 230229), (135, 213175), (225, 127905), (375, 76743), (675, 42635), (1125, 25581), (3375, 8527)]