1209804975

素因数分解:

$3^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{19841}}^1$

素因数の和:20128

約数の個数: 36

約数和(自身を含む): 2175000672

約数和(自身を除く): 965195697

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 271, 813, 1355, 2439, 4065, 6775, 12195, 19841, 20325, 59523, 60975, 99205, 178569, 297615, 496025, 892845, 1488075, 4464225, 5376911, 16130733, 26884555, 48392199, 80653665, 134422775, 241960995, 403268325, 1209804975]

約数ペア:

[(1, 1209804975), (3, 403268325), (5, 241960995), (9, 134422775), (15, 80653665), (25, 48392199), (45, 26884555), (75, 16130733), (225, 5376911), (271, 4464225), (813, 1488075), (1355, 892845), (2439, 496025), (4065, 297615), (6775, 178569), (12195, 99205), (19841, 60975), (20325, 59523)]