31502961

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 55186560

約数和(自身を除く): 23683599

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 203, 261, 301, 387, 401, 609, 903, 1203, 1247, 1827, 2709, 2807, 3609, 3741, 8421, 8729, 11223, 11629, 17243, 25263, 26187, 34887, 51729, 78561, 81403, 104661, 120701, 155187, 244209, 362103, 500047, 732627, 1086309, 1500141, 3500329, 4500423, 10500987, 31502961]

約数ペア:

[(1, 31502961), (3, 10500987), (7, 4500423), (9, 3500329), (21, 1500141), (29, 1086309), (43, 732627), (63, 500047), (87, 362103), (129, 244209), (203, 155187), (261, 120701), (301, 104661), (387, 81403), (401, 78561), (609, 51729), (903, 34887), (1203, 26187), (1247, 25263), (1827, 17243), (2709, 11629), (2807, 11223), (3609, 8729), (3741, 8421)]