18058131

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 34017984

約数和(自身を除く): 15959853

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1297, 1547, 1989, 3891, 4641, 9079, 11673, 13923, 16861, 22049, 27237, 50583, 66147, 81711, 118027, 151749, 154343, 198441, 286637, 354081, 463029, 859911, 1062243, 1389087, 2006459, 2579733, 6019377, 18058131]

約数ペア:

[(1, 18058131), (3, 6019377), (7, 2579733), (9, 2006459), (13, 1389087), (17, 1062243), (21, 859911), (39, 463029), (51, 354081), (63, 286637), (91, 198441), (117, 154343), (119, 151749), (153, 118027), (221, 81711), (273, 66147), (357, 50583), (663, 27237), (819, 22049), (1071, 16861), (1297, 13923), (1547, 11673), (1989, 9079), (3891, 4641)]