28142775

素因数分解:

$3^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 52213920

約数和(自身を除く): 24071145

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 173, 225, 241, 519, 675, 723, 865, 1205, 1557, 2169, 2595, 3615, 4325, 4671, 6025, 6507, 7785, 10845, 12975, 18075, 23355, 32535, 38925, 41693, 54225, 116775, 125079, 162675, 208465, 375237, 625395, 1042325, 1125711, 1876185, 3126975, 5628555, 9380925, 28142775]

約数ペア:

[(1, 28142775), (3, 9380925), (5, 5628555), (9, 3126975), (15, 1876185), (25, 1125711), (27, 1042325), (45, 625395), (75, 375237), (135, 208465), (173, 162675), (225, 125079), (241, 116775), (519, 54225), (675, 41693), (723, 38925), (865, 32535), (1205, 23355), (1557, 18075), (2169, 12975), (2595, 10845), (3615, 7785), (4325, 6507), (4671, 6025)]