71780421

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1\times {\mathrm{941}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 98028288

約数和(自身を除く): 26247867

約数列:

[1, 3, 47, 141, 541, 941, 1623, 2823, 25427, 44227, 76281, 132681, 509081, 1527243, 23926807, 71780421]

約数ペア:

[(1, 71780421), (3, 23926807), (47, 1527243), (141, 509081), (541, 132681), (941, 76281), (1623, 44227), (2823, 25427)]