201028725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{30809}}^1$

素因数の和:30854

約数の個数: 36

約数和(自身を含む): 372492900

約数和(自身を除く): 171464175

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 30809, 92427, 154045, 277281, 462135, 770225, 893461, 1386405, 2310675, 2680383, 4467305, 6932025, 8041149, 13401915, 22336525, 40205745, 67009575, 201028725]

約数ペア:

[(1, 201028725), (3, 67009575), (5, 40205745), (9, 22336525), (15, 13401915), (25, 8041149), (29, 6932025), (45, 4467305), (75, 2680383), (87, 2310675), (145, 1386405), (225, 893461), (261, 770225), (435, 462135), (725, 277281), (1305, 154045), (2175, 92427), (6525, 30809)]