31969791

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12377}}^1$

素因数の和:12431

約数の個数: 24

約数和(自身を含む): 54067104

約数和(自身を除く): 22097313

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 12377, 37131, 86639, 111393, 259917, 507457, 779751, 1522371, 3552199, 4567113, 10656597, 31969791]

約数ペア:

[(1, 31969791), (3, 10656597), (7, 4567113), (9, 3552199), (21, 1522371), (41, 779751), (63, 507457), (123, 259917), (287, 111393), (369, 86639), (861, 37131), (2583, 12377)]