148947981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41969}}^1$

素因数の和:42005

約数の個数: 24

約数和(自身を含む): 245776320

約数和(自身を除く): 96828339

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 41969, 125907, 293783, 545597, 881349, 1636791, 3819179, 7092761, 11457537, 21278283, 49649327, 148947981]

約数ペア:

[(1, 148947981), (3, 49649327), (7, 21278283), (13, 11457537), (21, 7092761), (39, 3819179), (91, 1636791), (169, 881349), (273, 545597), (507, 293783), (1183, 125907), (3549, 41969)]