30256569

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 56197440

約数和(自身を除く): 25940871

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 133, 147, 157, 161, 171, 207, 399, 437, 441, 471, 483, 931, 1099, 1127, 1197, 1311, 1413, 1449, 2793, 2983, 3059, 3297, 3381, 3611, 3933, 7693, 8379, 8949, 9177, 9891, 10143, 10833, 20881, 21413, 23079, 25277, 26847, 27531, 32499, 62643, 64239, 68609, 69237, 75831, 146167, 176939, 187929, 192717, 205827, 227493, 438501, 480263, 530817, 617481, 1315503, 1440789, 1592451, 3361841, 4322367, 10085523, 30256569]

約数ペア:

[(1, 30256569), (3, 10085523), (7, 4322367), (9, 3361841), (19, 1592451), (21, 1440789), (23, 1315503), (49, 617481), (57, 530817), (63, 480263), (69, 438501), (133, 227493), (147, 205827), (157, 192717), (161, 187929), (171, 176939), (207, 146167), (399, 75831), (437, 69237), (441, 68609), (471, 64239), (483, 62643), (931, 32499), (1099, 27531), (1127, 26847), (1197, 25277), (1311, 23079), (1413, 21413), (1449, 20881), (2793, 10833), (2983, 10143), (3059, 9891), (3297, 9177), (3381, 8949), (3611, 8379), (3933, 7693)]