42108975

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 80471040

約数和(自身を除く): 38362065

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 79, 103, 115, 207, 225, 237, 309, 345, 395, 515, 575, 711, 927, 1035, 1185, 1545, 1725, 1817, 1975, 2369, 2575, 3555, 4635, 5175, 5451, 5925, 7107, 7725, 8137, 9085, 11845, 16353, 17775, 21321, 23175, 24411, 27255, 35535, 40685, 45425, 59225, 73233, 81765, 106605, 122055, 136275, 177675, 187151, 203425, 366165, 408825, 533025, 561453, 610275, 935755, 1684359, 1830825, 2807265, 4678775, 8421795, 14036325, 42108975]

約数ペア:

[(1, 42108975), (3, 14036325), (5, 8421795), (9, 4678775), (15, 2807265), (23, 1830825), (25, 1684359), (45, 935755), (69, 610275), (75, 561453), (79, 533025), (103, 408825), (115, 366165), (207, 203425), (225, 187151), (237, 177675), (309, 136275), (345, 122055), (395, 106605), (515, 81765), (575, 73233), (711, 59225), (927, 45425), (1035, 40685), (1185, 35535), (1545, 27255), (1725, 24411), (1817, 23175), (1975, 21321), (2369, 17775), (2575, 16353), (3555, 11845), (4635, 9085), (5175, 8137), (5451, 7725), (5925, 7107)]