218744253

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5283

約数の個数: 64

約数和(自身を含む): 422392320

約数和(自身を除く): 203648067

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 819, 1071, 1547, 1989, 2457, 3213, 4641, 5237, 5967, 13923, 15711, 36659, 41769, 47133, 68081, 89029, 109977, 141399, 204243, 267087, 329931, 476567, 612729, 623203, 801261, 989793, 1157377, 1429701, 1838187, 1869609, 2403783, 3472131, 4289103, 5608827, 8101639, 10416393, 12867309, 16826481, 24304917, 31249179, 72914751, 218744253]

約数ペア:

[(1, 218744253), (3, 72914751), (7, 31249179), (9, 24304917), (13, 16826481), (17, 12867309), (21, 10416393), (27, 8101639), (39, 5608827), (51, 4289103), (63, 3472131), (91, 2403783), (117, 1869609), (119, 1838187), (153, 1429701), (189, 1157377), (221, 989793), (273, 801261), (351, 623203), (357, 612729), (459, 476567), (663, 329931), (819, 267087), (1071, 204243), (1547, 141399), (1989, 109977), (2457, 89029), (3213, 68081), (4641, 47133), (5237, 41769), (5967, 36659), (13923, 15711)]