684369

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 1254528

約数和(自身を除く): 570159

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 71, 81, 119, 153, 189, 213, 357, 459, 497, 567, 639, 1071, 1207, 1377, 1491, 1917, 3213, 3621, 4473, 5751, 8449, 9639, 10863, 13419, 25347, 32589, 40257, 76041, 97767, 228123, 684369]

約数ペア:

[(1, 684369), (3, 228123), (7, 97767), (9, 76041), (17, 40257), (21, 32589), (27, 25347), (51, 13419), (63, 10863), (71, 9639), (81, 8449), (119, 5751), (153, 4473), (189, 3621), (213, 3213), (357, 1917), (459, 1491), (497, 1377), (567, 1207), (639, 1071)]