31229289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2243}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 58810752

約数和(自身を除く): 27581463

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, 2243, 4641, 6729, 13923, 15701, 20187, 29159, 38131, 47103, 87477, 114393, 141309, 204113, 262431, 266917, 343179, 495703, 612339, 800751, 1487109, 1837017, 2402253, 3469921, 4461327, 10409763, 31229289]

約数ペア:

[(1, 31229289), (3, 10409763), (7, 4461327), (9, 3469921), (13, 2402253), (17, 1837017), (21, 1487109), (39, 800751), (51, 612339), (63, 495703), (91, 343179), (117, 266917), (119, 262431), (153, 204113), (221, 141309), (273, 114393), (357, 87477), (663, 47103), (819, 38131), (1071, 29159), (1547, 20187), (1989, 15701), (2243, 13923), (4641, 6729)]