388595925

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 738786048

約数和(自身を除く): 350190123

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 61, 69, 75, 115, 183, 207, 225, 305, 345, 549, 575, 915, 1035, 1231, 1403, 1525, 1725, 2745, 3693, 4209, 4575, 5175, 6155, 7015, 11079, 12627, 13725, 18465, 21045, 28313, 30775, 35075, 55395, 63135, 75091, 84939, 92325, 105225, 141565, 225273, 254817, 276975, 315675, 375455, 424695, 675819, 707825, 1126365, 1274085, 1727093, 1877275, 2123475, 3379095, 5181279, 5631825, 6370425, 8635465, 15543837, 16895475, 25906395, 43177325, 77719185, 129531975, 388595925]

約数ペア:

[(1, 388595925), (3, 129531975), (5, 77719185), (9, 43177325), (15, 25906395), (23, 16895475), (25, 15543837), (45, 8635465), (61, 6370425), (69, 5631825), (75, 5181279), (115, 3379095), (183, 2123475), (207, 1877275), (225, 1727093), (305, 1274085), (345, 1126365), (549, 707825), (575, 675819), (915, 424695), (1035, 375455), (1231, 315675), (1403, 276975), (1525, 254817), (1725, 225273), (2745, 141565), (3693, 105225), (4209, 92325), (4575, 84939), (5175, 75091), (6155, 63135), (7015, 55395), (11079, 35075), (12627, 30775), (13725, 28313), (18465, 21045)]