42090975

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 78090240

約数和(自身を除く): 35999265

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 225, 381, 491, 635, 675, 1143, 1473, 1905, 2455, 3175, 3429, 4419, 5715, 7365, 9525, 12275, 13257, 17145, 22095, 28575, 36825, 62357, 66285, 85725, 110475, 187071, 311785, 331425, 561213, 935355, 1558925, 1683639, 2806065, 4676775, 8418195, 14030325, 42090975]

約数ペア:

[(1, 42090975), (3, 14030325), (5, 8418195), (9, 4676775), (15, 2806065), (25, 1683639), (27, 1558925), (45, 935355), (75, 561213), (127, 331425), (135, 311785), (225, 187071), (381, 110475), (491, 85725), (635, 66285), (675, 62357), (1143, 36825), (1473, 28575), (1905, 22095), (2455, 17145), (3175, 13257), (3429, 12275), (4419, 9525), (5715, 7365)]