56456421

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 90408960

約数和(自身を除く): 33952539

約数列:

[1, 3, 7, 21, 23, 69, 161, 179, 483, 537, 653, 1253, 1959, 3759, 4117, 4571, 12351, 13713, 15019, 28819, 45057, 86457, 105133, 116887, 315399, 350661, 818209, 2454627, 2688401, 8065203, 18818807, 56456421]

約数ペア:

[(1, 56456421), (3, 18818807), (7, 8065203), (21, 2688401), (23, 2454627), (69, 818209), (161, 350661), (179, 315399), (483, 116887), (537, 105133), (653, 86457), (1253, 45057), (1959, 28819), (3759, 15019), (4117, 13713), (4571, 12351)]