81345951

素因数分解:

$3^5\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 122273424

約数和(自身を除く): 40927473

約数列:

[1, 3, 9, 27, 81, 243, 557, 601, 1671, 1803, 5013, 5409, 15039, 16227, 45117, 48681, 135351, 146043, 334757, 1004271, 3012813, 9038439, 27115317, 81345951]

約数ペア:

[(1, 81345951), (3, 27115317), (9, 9038439), (27, 3012813), (81, 1004271), (243, 334757), (557, 146043), (601, 135351), (1671, 48681), (1803, 45117), (5013, 16227), (5409, 15039)]