30311799

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 49268736

約数和(自身を除く): 18956937

約数列:

[1, 3, 7, 17, 21, 51, 119, 197, 357, 431, 591, 1293, 1379, 3017, 3349, 4137, 7327, 9051, 10047, 21981, 23443, 51289, 70329, 84907, 153867, 254721, 594349, 1443419, 1783047, 4330257, 10103933, 30311799]

約数ペア:

[(1, 30311799), (3, 10103933), (7, 4330257), (17, 1783047), (21, 1443419), (51, 594349), (119, 254721), (197, 153867), (357, 84907), (431, 70329), (591, 51289), (1293, 23443), (1379, 21981), (3017, 10047), (3349, 9051), (4137, 7327)]