31760001

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 60141120

約数和(自身を除く): 28381119

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 157, 169, 171, 247, 273, 399, 471, 507, 741, 819, 1099, 1183, 1197, 1413, 1521, 1729, 2041, 2223, 2983, 3211, 3297, 3549, 5187, 6123, 8949, 9633, 9891, 10647, 14287, 15561, 18369, 20881, 22477, 26533, 26847, 28899, 38779, 42861, 62643, 67431, 79599, 116337, 128583, 185731, 187929, 202293, 238797, 271453, 349011, 504127, 557193, 814359, 1512381, 1671579, 2443077, 3528889, 4537143, 10586667, 31760001]

約数ペア:

[(1, 31760001), (3, 10586667), (7, 4537143), (9, 3528889), (13, 2443077), (19, 1671579), (21, 1512381), (39, 814359), (57, 557193), (63, 504127), (91, 349011), (117, 271453), (133, 238797), (157, 202293), (169, 187929), (171, 185731), (247, 128583), (273, 116337), (399, 79599), (471, 67431), (507, 62643), (741, 42861), (819, 38779), (1099, 28899), (1183, 26847), (1197, 26533), (1413, 22477), (1521, 20881), (1729, 18369), (2041, 15561), (2223, 14287), (2983, 10647), (3211, 9891), (3297, 9633), (3549, 8949), (5187, 6123)]