123838290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1375981}}^1$

素因数の和:1375994

約数の個数: 24

約数和(自身を含む): 321979788

約数和(自身を除く): 198141498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1375981, 2751962, 4127943, 6879905, 8255886, 12383829, 13759810, 20639715, 24767658, 41279430, 61919145, 123838290]

約数ペア:

[(1, 123838290), (2, 61919145), (3, 41279430), (5, 24767658), (6, 20639715), (9, 13759810), (10, 12383829), (15, 8255886), (18, 6879905), (30, 4127943), (45, 2751962), (90, 1375981)]