396943953

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 660480000

約数和(自身を除く): 263536047

約数列:

[1, 3, 7, 19, 21, 49, 57, 79, 133, 147, 237, 257, 343, 399, 553, 771, 931, 1029, 1501, 1659, 1799, 2793, 3871, 4503, 4883, 5397, 6517, 10507, 11613, 12593, 14649, 19551, 20303, 27097, 31521, 34181, 37779, 60909, 73549, 81291, 88151, 102543, 142121, 220647, 239267, 264453, 385757, 426363, 514843, 717801, 994847, 1157271, 1544529, 1674869, 2700299, 2984541, 5024607, 6963929, 8100897, 18902093, 20891787, 56706279, 132314651, 396943953]

約数ペア:

[(1, 396943953), (3, 132314651), (7, 56706279), (19, 20891787), (21, 18902093), (49, 8100897), (57, 6963929), (79, 5024607), (133, 2984541), (147, 2700299), (237, 1674869), (257, 1544529), (343, 1157271), (399, 994847), (553, 717801), (771, 514843), (931, 426363), (1029, 385757), (1501, 264453), (1659, 239267), (1799, 220647), (2793, 142121), (3871, 102543), (4503, 88151), (4883, 81291), (5397, 73549), (6517, 60909), (10507, 37779), (11613, 34181), (12593, 31521), (14649, 27097), (19551, 20303)]