31145751

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2237}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 58653504

約数和(自身を除く): 27507753

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 2237, 4641, 6711, 13923, 15659, 20133, 29081, 38029, 46977, 87243, 114087, 140931, 203567, 261729, 266203, 342261, 494377, 610701, 798609, 1483131, 1832103, 2395827, 3460639, 4449393, 10381917, 31145751]

約数ペア:

[(1, 31145751), (3, 10381917), (7, 4449393), (9, 3460639), (13, 2395827), (17, 1832103), (21, 1483131), (39, 798609), (51, 610701), (63, 494377), (91, 342261), (117, 266203), (119, 261729), (153, 203567), (221, 140931), (273, 114087), (357, 87243), (663, 46977), (819, 38029), (1071, 29081), (1547, 20133), (1989, 15659), (2237, 13923), (4641, 6711)]