199980927

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 300984320

約数和(自身を除く): 101003393

約数列:

[1, 3, 9, 27, 151, 181, 271, 453, 543, 813, 1359, 1629, 2439, 4077, 4887, 7317, 27331, 40921, 49051, 81993, 122763, 147153, 245979, 368289, 441459, 737937, 1104867, 1324377, 7406701, 22220103, 66660309, 199980927]

約数ペア:

[(1, 199980927), (3, 66660309), (9, 22220103), (27, 7406701), (151, 1324377), (181, 1104867), (271, 737937), (453, 441459), (543, 368289), (813, 245979), (1359, 147153), (1629, 122763), (2439, 81993), (4077, 49051), (4887, 40921), (7317, 27331)]