12990585

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2399}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 21945600

約数和(自身を除く): 8955015

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 2399, 5415, 7197, 11995, 35985, 45581, 136743, 227905, 683715, 866039, 2598117, 4330195, 12990585]

約数ペア:

[(1, 12990585), (3, 4330195), (5, 2598117), (15, 866039), (19, 683715), (57, 227905), (95, 136743), (285, 45581), (361, 35985), (1083, 11995), (1805, 7197), (2399, 5415)]