210880761

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{677}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 354924864

約数和(自身を除く): 144044103

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 163, 273, 489, 637, 677, 1141, 1911, 2031, 2119, 3423, 4739, 6357, 7987, 8801, 14217, 14833, 23961, 26403, 33173, 44499, 61607, 99519, 103831, 110351, 184821, 311493, 331053, 431249, 772457, 1293747, 1434563, 2317371, 4303689, 5407199, 10041941, 16221597, 30125823, 70293587, 210880761]

約数ペア:

[(1, 210880761), (3, 70293587), (7, 30125823), (13, 16221597), (21, 10041941), (39, 5407199), (49, 4303689), (91, 2317371), (147, 1434563), (163, 1293747), (273, 772457), (489, 431249), (637, 331053), (677, 311493), (1141, 184821), (1911, 110351), (2031, 103831), (2119, 99519), (3423, 61607), (4739, 44499), (6357, 33173), (7987, 26403), (8801, 23961), (14217, 14833)]