212859135

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{205661}}^1$

素因数の和:205695

約数の個数: 24

約数和(自身を含む): 384999264

約数和(自身を除く): 172140129

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 205661, 616983, 1028305, 1850949, 3084915, 4730203, 9254745, 14190609, 23651015, 42571827, 70953045, 212859135]

約数ペア:

[(1, 212859135), (3, 70953045), (5, 42571827), (9, 23651015), (15, 14190609), (23, 9254745), (45, 4730203), (69, 3084915), (115, 1850949), (207, 1028305), (345, 616983), (1035, 205661)]