31186485

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21001}}^1$

素因数の和:21026

約数の個数: 32

約数和(自身を含む): 60485760

約数和(自身を除く): 29299275

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 21001, 63003, 105005, 189009, 231011, 315015, 567027, 693033, 945045, 1155055, 2079099, 2835135, 3465165, 6237297, 10395495, 31186485]

約数ペア:

[(1, 31186485), (3, 10395495), (5, 6237297), (9, 3465165), (11, 2835135), (15, 2079099), (27, 1155055), (33, 945045), (45, 693033), (55, 567027), (99, 315015), (135, 231011), (165, 189009), (297, 105005), (495, 63003), (1485, 21001)]