201471381

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 313632000

約数和(自身を除く): 112160619

約数列:

[1, 3, 9, 27, 29, 81, 87, 199, 261, 431, 597, 783, 1293, 1791, 2349, 3879, 5373, 5771, 11637, 12499, 16119, 17313, 34911, 37497, 51939, 85769, 112491, 155817, 257307, 337473, 467451, 771921, 1012419, 2315763, 2487301, 6947289, 7461903, 22385709, 67157127, 201471381]

約数ペア:

[(1, 201471381), (3, 67157127), (9, 22385709), (27, 7461903), (29, 6947289), (81, 2487301), (87, 2315763), (199, 1012419), (261, 771921), (431, 467451), (597, 337473), (783, 257307), (1293, 155817), (1791, 112491), (2349, 85769), (3879, 51939), (5373, 37497), (5771, 34911), (11637, 17313), (12499, 16119)]