156965931

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{12343}}^1$

素因数の和:12512

約数の個数: 20

約数和(自身を含む): 235992592

約数和(自身を除く): 79026661

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12343, 12717, 37029, 111087, 333261, 999783, 1937851, 5813553, 17440659, 52321977, 156965931]

約数ペア:

[(1, 156965931), (3, 52321977), (9, 17440659), (27, 5813553), (81, 1937851), (157, 999783), (471, 333261), (1413, 111087), (4239, 37029), (12343, 12717)]