52740219

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 89959680

約数和(自身を除く): 37219461

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 399, 437, 483, 821, 931, 1127, 1311, 2463, 2793, 3059, 3381, 5747, 9177, 15599, 17241, 18883, 21413, 40229, 46797, 56649, 64239, 109193, 120687, 132181, 327579, 358777, 396543, 764351, 925267, 1076331, 2293053, 2511439, 2775801, 7534317, 17580073, 52740219]

約数ペア:

[(1, 52740219), (3, 17580073), (7, 7534317), (19, 2775801), (21, 2511439), (23, 2293053), (49, 1076331), (57, 925267), (69, 764351), (133, 396543), (147, 358777), (161, 327579), (399, 132181), (437, 120687), (483, 109193), (821, 64239), (931, 56649), (1127, 46797), (1311, 40229), (2463, 21413), (2793, 18883), (3059, 17241), (3381, 15599), (5747, 9177)]