189612801

素因数分解:

$3^2\times 7^3\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 321984000

約数和(自身を除く): 132371199

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 239, 257, 343, 441, 717, 771, 1029, 1673, 1799, 2151, 2313, 3087, 5019, 5397, 11711, 12593, 15057, 16191, 35133, 37779, 61423, 81977, 88151, 105399, 113337, 184269, 245931, 264453, 429961, 552807, 737793, 793359, 1289883, 3009727, 3869649, 9029181, 21068089, 27087543, 63204267, 189612801]

約数ペア:

[(1, 189612801), (3, 63204267), (7, 27087543), (9, 21068089), (21, 9029181), (49, 3869649), (63, 3009727), (147, 1289883), (239, 793359), (257, 737793), (343, 552807), (441, 429961), (717, 264453), (771, 245931), (1029, 184269), (1673, 113337), (1799, 105399), (2151, 88151), (2313, 81977), (3087, 61423), (5019, 37779), (5397, 35133), (11711, 16191), (12593, 15057)]