399078621

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{8387}}^1$

素因数の和:8721

約数の個数: 24

約数和(自身を含む): 612391104

約数和(自身を除く): 213312483

約数列:

[1, 3, 9, 17, 51, 153, 311, 933, 2799, 5287, 8387, 15861, 25161, 47583, 75483, 142579, 427737, 1283211, 2608357, 7825071, 23475213, 44342069, 133026207, 399078621]

約数ペア:

[(1, 399078621), (3, 133026207), (9, 44342069), (17, 23475213), (51, 7825071), (153, 2608357), (311, 1283211), (933, 427737), (2799, 142579), (5287, 75483), (8387, 47583), (15861, 25161)]