47920155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{138899}}^1$

素因数の和:138930

約数の個数: 16

約数和(自身を含む): 80006400

約数和(自身を除く): 32086245

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 138899, 416697, 694495, 2083485, 3194677, 9584031, 15973385, 47920155]

約数ペア:

[(1, 47920155), (3, 15973385), (5, 9584031), (15, 3194677), (23, 2083485), (69, 694495), (115, 416697), (345, 138899)]