628398

素因数分解:

$2^1\times 3^6\times {\mathrm{431}}^1$

素因数の和:451

約数の個数: 28

約数和(自身を含む): 1416528

約数和(自身を除く): 788130

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 431, 486, 729, 862, 1293, 1458, 2586, 3879, 7758, 11637, 23274, 34911, 69822, 104733, 209466, 314199, 628398]

約数ペア:

[(1, 628398), (2, 314199), (3, 209466), (6, 104733), (9, 69822), (18, 34911), (27, 23274), (54, 11637), (81, 7758), (162, 3879), (243, 2586), (431, 1458), (486, 1293), (729, 862)]