388775709

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 655304832

約数和(自身を除く): 266529123

約数列:

[1, 3, 7, 9, 21, 63, 97, 113, 291, 339, 563, 679, 791, 873, 1017, 1689, 2037, 2373, 3941, 5067, 6111, 7119, 10961, 11823, 32883, 35469, 54611, 63619, 76727, 98649, 163833, 190857, 230181, 382277, 445333, 491499, 572571, 690543, 1146831, 1335999, 3440493, 4007997, 6171043, 18513129, 43197301, 55539387, 129591903, 388775709]

約数ペア:

[(1, 388775709), (3, 129591903), (7, 55539387), (9, 43197301), (21, 18513129), (63, 6171043), (97, 4007997), (113, 3440493), (291, 1335999), (339, 1146831), (563, 690543), (679, 572571), (791, 491499), (873, 445333), (1017, 382277), (1689, 230181), (2037, 190857), (2373, 163833), (3941, 98649), (5067, 76727), (6111, 63619), (7119, 54611), (10961, 35469), (11823, 32883)]