18124371

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 28005120

約数和(自身を除く): 9880749

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 233, 387, 603, 699, 1161, 1809, 2097, 2881, 6291, 8643, 10019, 15611, 25929, 30057, 46833, 77787, 90171, 140499, 270513, 421497, 671273, 2013819, 6041457, 18124371]

約数ペア:

[(1, 18124371), (3, 6041457), (9, 2013819), (27, 671273), (43, 421497), (67, 270513), (129, 140499), (201, 90171), (233, 77787), (387, 46833), (603, 30057), (699, 25929), (1161, 15611), (1809, 10019), (2097, 8643), (2881, 6291)]