39401991

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 62208000

約数和(自身を除く): 22806009

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 513, 801, 863, 1691, 2403, 2589, 5073, 7767, 15219, 16397, 23301, 45657, 49191, 76807, 147573, 230421, 442719, 691263, 1459333, 2073789, 4377999, 13133997, 39401991]

約数ペア:

[(1, 39401991), (3, 13133997), (9, 4377999), (19, 2073789), (27, 1459333), (57, 691263), (89, 442719), (171, 230421), (267, 147573), (513, 76807), (801, 49191), (863, 45657), (1691, 23301), (2403, 16397), (2589, 15219), (5073, 7767)]