51821025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 89303808

約数和(自身を除く): 37482783

約数列:

[1, 3, 5, 15, 25, 47, 61, 75, 141, 183, 235, 241, 305, 705, 723, 915, 1175, 1205, 1525, 2867, 3525, 3615, 4575, 6025, 8601, 11327, 14335, 14701, 18075, 33981, 43005, 44103, 56635, 71675, 73505, 169905, 215025, 220515, 283175, 367525, 690947, 849525, 1102575, 2072841, 3454735, 10364205, 17273675, 51821025]

約数ペア:

[(1, 51821025), (3, 17273675), (5, 10364205), (15, 3454735), (25, 2072841), (47, 1102575), (61, 849525), (75, 690947), (141, 367525), (183, 283175), (235, 220515), (241, 215025), (305, 169905), (705, 73505), (723, 71675), (915, 56635), (1175, 44103), (1205, 43005), (1525, 33981), (2867, 18075), (3525, 14701), (3615, 14335), (4575, 11327), (6025, 8601)]