2559195

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 4704480

約数和(自身を除く): 2145285

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 89, 135, 213, 267, 355, 405, 445, 639, 801, 1065, 1335, 1917, 2403, 3195, 4005, 5751, 6319, 7209, 9585, 12015, 18957, 28755, 31595, 36045, 56871, 94785, 170613, 284355, 511839, 853065, 2559195]

約数ペア:

[(1, 2559195), (3, 853065), (5, 511839), (9, 284355), (15, 170613), (27, 94785), (45, 56871), (71, 36045), (81, 31595), (89, 28755), (135, 18957), (213, 12015), (267, 9585), (355, 7209), (405, 6319), (445, 5751), (639, 4005), (801, 3195), (1065, 2403), (1335, 1917)]