1561539

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 2571264

約数和(自身を除く): 1009725

約数列:

[1, 3, 7, 21, 23, 53, 61, 69, 159, 161, 183, 371, 427, 483, 1113, 1219, 1281, 1403, 3233, 3657, 4209, 8533, 9699, 9821, 22631, 25599, 29463, 67893, 74359, 223077, 520513, 1561539]

約数ペア:

[(1, 1561539), (3, 520513), (7, 223077), (21, 74359), (23, 67893), (53, 29463), (61, 25599), (69, 22631), (159, 9821), (161, 9699), (183, 8533), (371, 4209), (427, 3657), (483, 3233), (1113, 1403), (1219, 1281)]