420941859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{599}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 623078400

約数和(自身を除く): 202136541

約数列:

[1, 3, 13, 37, 39, 111, 481, 487, 599, 1443, 1461, 1797, 6331, 7787, 18019, 18993, 22163, 23361, 54057, 66489, 234247, 288119, 291713, 702741, 864357, 875139, 3792269, 10793381, 11376807, 32380143, 140313953, 420941859]

約数ペア:

[(1, 420941859), (3, 140313953), (13, 32380143), (37, 11376807), (39, 10793381), (111, 3792269), (481, 875139), (487, 864357), (599, 702741), (1443, 291713), (1461, 288119), (1797, 234247), (6331, 66489), (7787, 54057), (18019, 23361), (18993, 22163)]