213786378

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{101513}}^1$

素因数の和:101540

約数の個数: 40

約数和(自身を含む): 515894148

約数和(自身を除く): 302107770

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 101513, 203026, 304539, 609078, 913617, 1319669, 1827234, 2639338, 2740851, 3959007, 5481702, 7918014, 8222553, 11877021, 16445106, 23754042, 35631063, 71262126, 106893189, 213786378]

約数ペア:

[(1, 213786378), (2, 106893189), (3, 71262126), (6, 35631063), (9, 23754042), (13, 16445106), (18, 11877021), (26, 8222553), (27, 7918014), (39, 5481702), (54, 3959007), (78, 2740851), (81, 2639338), (117, 1827234), (162, 1319669), (234, 913617), (351, 609078), (702, 304539), (1053, 203026), (2106, 101513)]