201887775

素因数分解:

$3^3\times 5^2\times {\mathrm{349}}^1\times {\mathrm{857}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 372372000

約数和(自身を除く): 170484225

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 349, 675, 857, 1047, 1745, 2571, 3141, 4285, 5235, 7713, 8725, 9423, 12855, 15705, 21425, 23139, 26175, 38565, 47115, 64275, 78525, 115695, 192825, 235575, 299093, 578475, 897279, 1495465, 2691837, 4486395, 7477325, 8075511, 13459185, 22431975, 40377555, 67295925, 201887775]

約数ペア:

[(1, 201887775), (3, 67295925), (5, 40377555), (9, 22431975), (15, 13459185), (25, 8075511), (27, 7477325), (45, 4486395), (75, 2691837), (135, 1495465), (225, 897279), (349, 578475), (675, 299093), (857, 235575), (1047, 192825), (1745, 115695), (2571, 78525), (3141, 64275), (4285, 47115), (5235, 38565), (7713, 26175), (8725, 23139), (9423, 21425), (12855, 15705)]