163660905

素因数分解:

$3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4119

約数の個数: 40

約数和(自身を含む): 296356104

約数和(自身を除く): 132695199

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 303, 405, 505, 909, 1515, 2727, 4001, 4545, 8181, 12003, 13635, 20005, 36009, 40905, 60015, 108027, 180045, 324081, 404101, 540135, 1212303, 1620405, 2020505, 3636909, 6061515, 10910727, 18184545, 32732181, 54553635, 163660905]

約数ペア:

[(1, 163660905), (3, 54553635), (5, 32732181), (9, 18184545), (15, 10910727), (27, 6061515), (45, 3636909), (81, 2020505), (101, 1620405), (135, 1212303), (303, 540135), (405, 404101), (505, 324081), (909, 180045), (1515, 108027), (2727, 60015), (4001, 40905), (4545, 36009), (8181, 20005), (12003, 13635)]