3891381963

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{21341}}^1$

素因数の和:21827

約数の個数: 32

約数和(自身を含む): 6255767040

約数和(自身を除く): 2364385077

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 457, 1371, 3199, 8683, 9597, 21341, 26049, 60781, 64023, 149387, 182343, 405479, 448161, 1216437, 2838353, 8515059, 9752837, 29258511, 68269859, 185303903, 204809577, 555911709, 1297127321, 3891381963]

約数ペア:

[(1, 3891381963), (3, 1297127321), (7, 555911709), (19, 204809577), (21, 185303903), (57, 68269859), (133, 29258511), (399, 9752837), (457, 8515059), (1371, 2838353), (3199, 1216437), (8683, 448161), (9597, 405479), (21341, 182343), (26049, 149387), (60781, 64023)]