68742345

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 132710400

約数和(自身を除く): 63968055

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 343, 431, 465, 651, 735, 1029, 1085, 1293, 1519, 1715, 2155, 3017, 3255, 4557, 5145, 6465, 7595, 9051, 10633, 13361, 15085, 21119, 22785, 31899, 40083, 45255, 53165, 63357, 66805, 93527, 105595, 147833, 159495, 200415, 280581, 316785, 443499, 467635, 654689, 739165, 1402905, 1964067, 2217495, 3273445, 4582823, 9820335, 13748469, 22914115, 68742345]

約数ペア:

[(1, 68742345), (3, 22914115), (5, 13748469), (7, 9820335), (15, 4582823), (21, 3273445), (31, 2217495), (35, 1964067), (49, 1402905), (93, 739165), (105, 654689), (147, 467635), (155, 443499), (217, 316785), (245, 280581), (343, 200415), (431, 159495), (465, 147833), (651, 105595), (735, 93527), (1029, 66805), (1085, 63357), (1293, 53165), (1519, 45255), (1715, 40083), (2155, 31899), (3017, 22785), (3255, 21119), (4557, 15085), (5145, 13361), (6465, 10633), (7595, 9051)]