201608973

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 304819200

約数和(自身を除く): 103210227

約数列:

[1, 3, 9, 27, 71, 213, 251, 419, 639, 753, 1257, 1917, 2259, 3771, 6777, 11313, 17821, 29749, 53463, 89247, 105169, 160389, 267741, 315507, 481167, 803223, 946521, 2839563, 7466999, 22400997, 67202991, 201608973]

約数ペア:

[(1, 201608973), (3, 67202991), (9, 22400997), (27, 7466999), (71, 2839563), (213, 946521), (251, 803223), (419, 481167), (639, 315507), (753, 267741), (1257, 160389), (1917, 105169), (2259, 89247), (3771, 53463), (6777, 29749), (11313, 17821)]