998955

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 1759680

約数和(自身を除く): 760725

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 281, 395, 711, 843, 1185, 1405, 2529, 3555, 4215, 12645, 22199, 66597, 110995, 199791, 332985, 998955]

約数ペア:

[(1, 998955), (3, 332985), (5, 199791), (9, 110995), (15, 66597), (45, 22199), (79, 12645), (237, 4215), (281, 3555), (395, 2529), (711, 1405), (843, 1185)]