71960721

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{389}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 115015680

約数和(自身を除く): 43054959

約数列:

[1, 3, 7, 21, 23, 69, 161, 383, 389, 483, 1149, 1167, 2681, 2723, 8043, 8169, 8809, 8947, 26427, 26841, 61663, 62629, 148987, 184989, 187887, 446961, 1042909, 3128727, 3426701, 10280103, 23986907, 71960721]

約数ペア:

[(1, 71960721), (3, 23986907), (7, 10280103), (21, 3426701), (23, 3128727), (69, 1042909), (161, 446961), (383, 187887), (389, 184989), (483, 148987), (1149, 62629), (1167, 61663), (2681, 26841), (2723, 26427), (8043, 8947), (8169, 8809)]