128271645

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91951}}^1$

素因数の和:91993

約数の個数: 24

約数和(自身を含む): 229512192

約数和(自身を除く): 101240547

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 91951, 275853, 459755, 827559, 1379265, 2850481, 4137795, 8551443, 14252405, 25654329, 42757215, 128271645]

約数ペア:

[(1, 128271645), (3, 42757215), (5, 25654329), (9, 14252405), (15, 8551443), (31, 4137795), (45, 2850481), (93, 1379265), (155, 827559), (279, 459755), (465, 275853), (1395, 91951)]