31970547

素因数分解:

$3^2\times 7^1\times {\mathrm{683}}^1\times {\mathrm{743}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 52925184

約数和(自身を除く): 20954637

約数列:

[1, 3, 7, 9, 21, 63, 683, 743, 2049, 2229, 4781, 5201, 6147, 6687, 14343, 15603, 43029, 46809, 507469, 1522407, 3552283, 4567221, 10656849, 31970547]

約数ペア:

[(1, 31970547), (3, 10656849), (7, 4567221), (9, 3552283), (21, 1522407), (63, 507469), (683, 46809), (743, 43029), (2049, 15603), (2229, 14343), (4781, 6687), (5201, 6147)]