649860231

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{7247}}^1$

素因数の和:7742

約数の個数: 16

約数和(自身を含む): 880892928

約数和(自身を除く): 231032697

約数列:

[1, 3, 71, 213, 421, 1263, 7247, 21741, 29891, 89673, 514537, 1543611, 3050987, 9152961, 216620077, 649860231]

約数ペア:

[(1, 649860231), (3, 216620077), (71, 9152961), (213, 3050987), (421, 1543611), (1263, 514537), (7247, 89673), (21741, 29891)]