81946431

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{14951}}^1$

素因数の和:14996

約数の個数: 32

約数和(自身を含む): 143539200

約数和(自身を除く): 61592769

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 14951, 44853, 104657, 134559, 313971, 403677, 433579, 941913, 1300737, 2825739, 3035053, 3902211, 9105159, 11706633, 27315477, 81946431]

約数ペア:

[(1, 81946431), (3, 27315477), (7, 11706633), (9, 9105159), (21, 3902211), (27, 3035053), (29, 2825739), (63, 1300737), (87, 941913), (189, 433579), (203, 403677), (261, 313971), (609, 134559), (783, 104657), (1827, 44853), (5481, 14951)]