71715273

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 116214336

約数和(自身を除く): 44499063

約数列:

[1, 3, 7, 21, 41, 49, 73, 123, 147, 163, 219, 287, 489, 511, 861, 1141, 1533, 2009, 2993, 3423, 3577, 6027, 6683, 7987, 8979, 10731, 11899, 20049, 20951, 23961, 35697, 46781, 62853, 83293, 140343, 146657, 249879, 327467, 439971, 487859, 583051, 982401, 1463577, 1749153, 3415013, 10245039, 23905091, 71715273]

約数ペア:

[(1, 71715273), (3, 23905091), (7, 10245039), (21, 3415013), (41, 1749153), (49, 1463577), (73, 982401), (123, 583051), (147, 487859), (163, 439971), (219, 327467), (287, 249879), (489, 146657), (511, 140343), (861, 83293), (1141, 62853), (1533, 46781), (2009, 35697), (2993, 23961), (3423, 20951), (3577, 20049), (6027, 11899), (6683, 10731), (7987, 8979)]