17920275

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3917}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 30121584

約数和(自身を除く): 12201309

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 3917, 4575, 11751, 19585, 58755, 97925, 238937, 293775, 716811, 1194685, 3584055, 5973425, 17920275]

約数ペア:

[(1, 17920275), (3, 5973425), (5, 3584055), (15, 1194685), (25, 716811), (61, 293775), (75, 238937), (183, 97925), (305, 58755), (915, 19585), (1525, 11751), (3917, 4575)]