1320241515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{81421}}^1$

素因数の和:81499

約数の個数: 32

約数和(自身を含む): 2251155456

約数和(自身を除く): 930913941

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215, 81421, 244263, 407105, 1221315, 1872683, 3826787, 5618049, 9363415, 11480361, 19133935, 28090245, 57401805, 88016101, 264048303, 440080505, 1320241515]

約数ペア:

[(1, 1320241515), (3, 440080505), (5, 264048303), (15, 88016101), (23, 57401805), (47, 28090245), (69, 19133935), (115, 11480361), (141, 9363415), (235, 5618049), (345, 3826787), (705, 1872683), (1081, 1221315), (3243, 407105), (5405, 244263), (16215, 81421)]