397492845

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{6329}}^1$

素因数の和:6469

約数の個数: 32

約数和(自身を含む): 656294400

約数和(自身を除く): 258801555

約数列:

[1, 3, 5, 15, 53, 79, 159, 237, 265, 395, 795, 1185, 4187, 6329, 12561, 18987, 20935, 31645, 62805, 94935, 335437, 499991, 1006311, 1499973, 1677185, 2499955, 5031555, 7499865, 26499523, 79498569, 132497615, 397492845]

約数ペア:

[(1, 397492845), (3, 132497615), (5, 79498569), (15, 26499523), (53, 7499865), (79, 5031555), (159, 2499955), (237, 1677185), (265, 1499973), (395, 1006311), (795, 499991), (1185, 335437), (4187, 94935), (6329, 62805), (12561, 31645), (18987, 20935)]