128520975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{155783}}^1$

素因数の和:155807

約数の個数: 24

約数和(自身を含む): 231806592

約数和(自身を除く): 103285617

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 155783, 467349, 778915, 1713613, 2336745, 3894575, 5140839, 8568065, 11683725, 25704195, 42840325, 128520975]

約数ペア:

[(1, 128520975), (3, 42840325), (5, 25704195), (11, 11683725), (15, 8568065), (25, 5140839), (33, 3894575), (55, 2336745), (75, 1713613), (165, 778915), (275, 467349), (825, 155783)]