31263039

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 46696832

約数和(自身を除く): 15433793

約数列:

[1, 3, 9, 37, 111, 223, 333, 421, 669, 1263, 2007, 3789, 8251, 15577, 24753, 46731, 74259, 93883, 140193, 281649, 844947, 3473671, 10421013, 31263039]

約数ペア:

[(1, 31263039), (3, 10421013), (9, 3473671), (37, 844947), (111, 281649), (223, 140193), (333, 93883), (421, 74259), (669, 46731), (1263, 24753), (2007, 15577), (3789, 8251)]