9919917

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1559}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 16548480

約数和(自身を除く): 6628563

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 1559, 2121, 4677, 6363, 10913, 14031, 32739, 98217, 157459, 472377, 1102213, 1417131, 3306639, 9919917]

約数ペア:

[(1, 9919917), (3, 3306639), (7, 1417131), (9, 1102213), (21, 472377), (63, 157459), (101, 98217), (303, 32739), (707, 14031), (909, 10913), (1559, 6363), (2121, 4677)]