291249018

素因数分解:

$2^1\times 3^2\times {\mathrm{16180501}}^1$

素因数の和:16180509

約数の個数: 12

約数和(自身を含む): 631039578

約数和(自身を除く): 339790560

約数列:

[1, 2, 3, 6, 9, 18, 16180501, 32361002, 48541503, 97083006, 145624509, 291249018]

約数ペア:

[(1, 291249018), (2, 145624509), (3, 97083006), (6, 48541503), (9, 32361002), (18, 16180501)]