64451457

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1691

約数の個数: 40

約数和(自身を含む): 111652992

約数和(自身を除く): 47201535

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1601, 1917, 4473, 4803, 5751, 11207, 13419, 14409, 33621, 40257, 43227, 100863, 113671, 129681, 302589, 341013, 795697, 907767, 1023039, 2387091, 3069117, 7161273, 9207351, 21483819, 64451457]

約数ペア:

[(1, 64451457), (3, 21483819), (7, 9207351), (9, 7161273), (21, 3069117), (27, 2387091), (63, 1023039), (71, 907767), (81, 795697), (189, 341013), (213, 302589), (497, 129681), (567, 113671), (639, 100863), (1491, 43227), (1601, 40257), (1917, 33621), (4473, 14409), (4803, 13419), (5751, 11207)]