123243390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{456457}}^1$

素因数の和:456473

約数の個数: 32

約数和(自身を含む): 328649760

約数和(自身を除く): 205406370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 456457, 912914, 1369371, 2282285, 2738742, 4108113, 4564570, 6846855, 8216226, 12324339, 13693710, 20540565, 24648678, 41081130, 61621695, 123243390]

約数ペア:

[(1, 123243390), (2, 61621695), (3, 41081130), (5, 24648678), (6, 20540565), (9, 13693710), (10, 12324339), (15, 8216226), (18, 6846855), (27, 4564570), (30, 4108113), (45, 2738742), (54, 2282285), (90, 1369371), (135, 912914), (270, 456457)]