28708575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 54758400

約数和(自身を除く): 26049825

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 149, 175, 367, 447, 525, 745, 1043, 1101, 1835, 2235, 2569, 3129, 3725, 5215, 5505, 7707, 9175, 11175, 12845, 15645, 26075, 27525, 38535, 54683, 64225, 78225, 164049, 192675, 273415, 382781, 820245, 1148343, 1367075, 1913905, 4101225, 5741715, 9569525, 28708575]

約数ペア:

[(1, 28708575), (3, 9569525), (5, 5741715), (7, 4101225), (15, 1913905), (21, 1367075), (25, 1148343), (35, 820245), (75, 382781), (105, 273415), (149, 192675), (175, 164049), (367, 78225), (447, 64225), (525, 54683), (745, 38535), (1043, 27525), (1101, 26075), (1835, 15645), (2235, 12845), (2569, 11175), (3129, 9175), (3725, 7707), (5215, 5505)]