56721171

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 84268800

約数和(自身を除く): 27547629

約数列:

[1, 3, 13, 39, 43, 129, 149, 227, 447, 559, 681, 1677, 1937, 2951, 5811, 6407, 8853, 9761, 19221, 29283, 33823, 83291, 101469, 126893, 249873, 380679, 439699, 1319097, 1454389, 4363167, 18907057, 56721171]

約数ペア:

[(1, 56721171), (3, 18907057), (13, 4363167), (39, 1454389), (43, 1319097), (129, 439699), (149, 380679), (227, 249873), (447, 126893), (559, 101469), (681, 83291), (1677, 33823), (1937, 29283), (2951, 19221), (5811, 9761), (6407, 8853)]