80211789

素因数分解:

$3^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{587}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 137742528

約数和(自身を除く): 57530739

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 241, 567, 587, 723, 1687, 1761, 2169, 4109, 5061, 5283, 6507, 12327, 15183, 15849, 19521, 36981, 45549, 47547, 110943, 136647, 141467, 332829, 424401, 990269, 1273203, 2970807, 3819609, 8912421, 11458827, 26737263, 80211789]

約数ペア:

[(1, 80211789), (3, 26737263), (7, 11458827), (9, 8912421), (21, 3819609), (27, 2970807), (63, 1273203), (81, 990269), (189, 424401), (241, 332829), (567, 141467), (587, 136647), (723, 110943), (1687, 47547), (1761, 45549), (2169, 36981), (4109, 19521), (5061, 15849), (5283, 15183), (6507, 12327)]