217614873

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4547}}^1$

素因数の和:4653

約数の個数: 32

約数和(自身を含む): 345793536

約数和(自身を除く): 128178663

約数列:

[1, 3, 7, 21, 43, 53, 129, 159, 301, 371, 903, 1113, 2279, 4547, 6837, 13641, 15953, 31829, 47859, 95487, 195521, 240991, 586563, 722973, 1368647, 1686937, 4105941, 5060811, 10362613, 31087839, 72538291, 217614873]

約数ペア:

[(1, 217614873), (3, 72538291), (7, 31087839), (21, 10362613), (43, 5060811), (53, 4105941), (129, 1686937), (159, 1368647), (301, 722973), (371, 586563), (903, 240991), (1113, 195521), (2279, 95487), (4547, 47859), (6837, 31829), (13641, 15953)]