231390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{857}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 617760

約数和(自身を除く): 386370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 857, 1714, 2571, 4285, 5142, 7713, 8570, 12855, 15426, 23139, 25710, 38565, 46278, 77130, 115695, 231390]

約数ペア:

[(1, 231390), (2, 115695), (3, 77130), (5, 46278), (6, 38565), (9, 25710), (10, 23139), (15, 15426), (18, 12855), (27, 8570), (30, 7713), (45, 5142), (54, 4285), (90, 2571), (135, 1714), (270, 857)]