263768841

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 447782400

約数和(自身を除く): 184013559

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 229, 329, 389, 423, 687, 987, 1167, 1603, 2061, 2723, 2961, 3501, 4809, 8169, 10763, 14427, 18283, 24507, 32289, 54849, 75341, 89081, 96867, 127981, 164547, 226023, 267243, 383943, 623567, 678069, 801729, 1151829, 1870701, 4186807, 5612103, 12560421, 29307649, 37681263, 87922947, 263768841]

約数ペア:

[(1, 263768841), (3, 87922947), (7, 37681263), (9, 29307649), (21, 12560421), (47, 5612103), (63, 4186807), (141, 1870701), (229, 1151829), (329, 801729), (389, 678069), (423, 623567), (687, 383943), (987, 267243), (1167, 226023), (1603, 164547), (2061, 127981), (2723, 96867), (2961, 89081), (3501, 75341), (4809, 54849), (8169, 32289), (10763, 24507), (14427, 18283)]