39712509

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 58985472

約数和(自身を除く): 19272963

約数列:

[1, 3, 9, 47, 141, 223, 421, 423, 669, 1263, 2007, 3789, 10481, 19787, 31443, 59361, 93883, 94329, 178083, 281649, 844947, 4412501, 13237503, 39712509]

約数ペア:

[(1, 39712509), (3, 13237503), (9, 4412501), (47, 844947), (141, 281649), (223, 178083), (421, 94329), (423, 93883), (669, 59361), (1263, 31443), (2007, 19787), (3789, 10481)]