80723859

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 35397741

約数列:

[1, 3, 23, 59, 69, 79, 177, 237, 251, 753, 1357, 1817, 4071, 4661, 5451, 5773, 13983, 14809, 17319, 19829, 44427, 59487, 107203, 321609, 340607, 456067, 1021821, 1169911, 1368201, 3509733, 26907953, 80723859]

約数ペア:

[(1, 80723859), (3, 26907953), (23, 3509733), (59, 1368201), (69, 1169911), (79, 1021821), (177, 456067), (237, 340607), (251, 321609), (753, 107203), (1357, 59487), (1817, 44427), (4071, 19829), (4661, 17319), (5451, 14809), (5773, 13983)]