201535971

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 339220224

約数和(自身を除く): 137684253

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 163, 273, 489, 637, 647, 1141, 1911, 1941, 2119, 3423, 4529, 6357, 7987, 8411, 13587, 14833, 23961, 25233, 31703, 44499, 58877, 95109, 103831, 105461, 176631, 311493, 316383, 412139, 738227, 1236417, 1370993, 2214681, 4112979, 5167589, 9596951, 15502767, 28790853, 67178657, 201535971]

約数ペア:

[(1, 201535971), (3, 67178657), (7, 28790853), (13, 15502767), (21, 9596951), (39, 5167589), (49, 4112979), (91, 2214681), (147, 1370993), (163, 1236417), (273, 738227), (489, 412139), (637, 316383), (647, 311493), (1141, 176631), (1911, 105461), (1941, 103831), (2119, 95109), (3423, 58877), (4529, 44499), (6357, 31703), (7987, 25233), (8411, 23961), (13587, 14833)]