87033275

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 129896448

約数和(自身を除く): 42863173

約数列:

[1, 5, 7, 25, 31, 35, 61, 155, 175, 217, 263, 305, 427, 775, 1085, 1315, 1525, 1841, 1891, 2135, 5425, 6575, 8153, 9205, 9455, 10675, 13237, 16043, 40765, 46025, 47275, 57071, 66185, 80215, 112301, 203825, 285355, 330925, 401075, 497333, 561505, 1426775, 2486665, 2807525, 3481331, 12433325, 17406655, 87033275]

約数ペア:

[(1, 87033275), (5, 17406655), (7, 12433325), (25, 3481331), (31, 2807525), (35, 2486665), (61, 1426775), (155, 561505), (175, 497333), (217, 401075), (263, 330925), (305, 285355), (427, 203825), (775, 112301), (1085, 80215), (1315, 66185), (1525, 57071), (1841, 47275), (1891, 46025), (2135, 40765), (5425, 16043), (6575, 13237), (8153, 10675), (9205, 9455)]