123858153

素因数分解:

$3^4\times {\mathrm{991}}^1\times {\mathrm{1543}}^1$

素因数の和:2546

約数の個数: 20

約数和(自身を含む): 185329408

約数和(自身を除く): 61471255

約数列:

[1, 3, 9, 27, 81, 991, 1543, 2973, 4629, 8919, 13887, 26757, 41661, 80271, 124983, 1529113, 4587339, 13762017, 41286051, 123858153]

約数ペア:

[(1, 123858153), (3, 41286051), (9, 13762017), (27, 4587339), (81, 1529113), (991, 124983), (1543, 80271), (2973, 41661), (4629, 26757), (8919, 13887)]