17944485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4045

約数の個数: 32

約数和(自身を含む): 32272128

約数和(自身を除く): 14327643

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4001, 4485, 12003, 20005, 52013, 60015, 92023, 156039, 260065, 276069, 460115, 780195, 1196299, 1380345, 3588897, 5981495, 17944485]

約数ペア:

[(1, 17944485), (3, 5981495), (5, 3588897), (13, 1380345), (15, 1196299), (23, 780195), (39, 460115), (65, 276069), (69, 260065), (115, 156039), (195, 92023), (299, 60015), (345, 52013), (897, 20005), (1495, 12003), (4001, 4485)]