201810903

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1471}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 316538880

約数和(自身を除く): 114727977

約数列:

[1, 3, 7, 21, 47, 139, 141, 329, 417, 973, 987, 1471, 2919, 4413, 6533, 10297, 19599, 30891, 45731, 69137, 137193, 204469, 207411, 483959, 613407, 1431283, 1451877, 4293849, 9610043, 28830129, 67270301, 201810903]

約数ペア:

[(1, 201810903), (3, 67270301), (7, 28830129), (21, 9610043), (47, 4293849), (139, 1451877), (141, 1431283), (329, 613407), (417, 483959), (973, 207411), (987, 204469), (1471, 137193), (2919, 69137), (4413, 45731), (6533, 30891), (10297, 19599)]