177788331

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13249}}^1$

素因数の和:13336

約数の個数: 32

約数和(自身を含む): 305280000

約数和(自身を除く): 127491669

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13249, 13419, 39747, 92743, 119241, 278229, 357723, 834687, 940679, 2504061, 2822037, 6584753, 8466111, 19754259, 25398333, 59262777, 177788331]

約数ペア:

[(1, 177788331), (3, 59262777), (7, 25398333), (9, 19754259), (21, 8466111), (27, 6584753), (63, 2822037), (71, 2504061), (189, 940679), (213, 834687), (497, 357723), (639, 278229), (1491, 119241), (1917, 92743), (4473, 39747), (13249, 13419)]