66978693

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 100279296

約数和(自身を除く): 33300603

約数列:

[1, 3, 9, 31, 93, 279, 431, 557, 1293, 1671, 3879, 5013, 13361, 17267, 40083, 51801, 120249, 155403, 240067, 720201, 2160603, 7442077, 22326231, 66978693]

約数ペア:

[(1, 66978693), (3, 22326231), (9, 7442077), (31, 2160603), (93, 720201), (279, 240067), (431, 155403), (557, 120249), (1293, 51801), (1671, 40083), (3879, 17267), (5013, 13361)]