15995511

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 29877120

約数和(自身を除く): 13881609

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 83, 133, 147, 161, 171, 207, 249, 399, 437, 441, 483, 581, 747, 931, 1127, 1197, 1311, 1449, 1577, 1743, 1909, 2793, 3059, 3381, 3933, 4067, 4731, 5229, 5727, 8379, 9177, 10143, 11039, 12201, 13363, 14193, 17181, 21413, 27531, 33117, 36271, 36603, 40089, 64239, 77273, 93541, 99351, 108813, 120267, 192717, 231819, 253897, 280623, 326439, 695457, 761691, 841869, 1777279, 2285073, 5331837, 15995511]

約数ペア:

[(1, 15995511), (3, 5331837), (7, 2285073), (9, 1777279), (19, 841869), (21, 761691), (23, 695457), (49, 326439), (57, 280623), (63, 253897), (69, 231819), (83, 192717), (133, 120267), (147, 108813), (161, 99351), (171, 93541), (207, 77273), (249, 64239), (399, 40089), (437, 36603), (441, 36271), (483, 33117), (581, 27531), (747, 21413), (931, 17181), (1127, 14193), (1197, 13363), (1311, 12201), (1449, 11039), (1577, 10143), (1743, 9177), (1909, 8379), (2793, 5727), (3059, 5229), (3381, 4731), (3933, 4067)]