81239310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{902659}}^1$

素因数の和:902672

約数の個数: 24

約数和(自身を含む): 211222440

約数和(自身を除く): 129983130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 902659, 1805318, 2707977, 4513295, 5415954, 8123931, 9026590, 13539885, 16247862, 27079770, 40619655, 81239310]

約数ペア:

[(1, 81239310), (2, 40619655), (3, 27079770), (5, 16247862), (6, 13539885), (9, 9026590), (10, 8123931), (15, 5415954), (18, 4513295), (30, 2707977), (45, 1805318), (90, 902659)]