56286855

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 101746944

約数和(自身を除く): 45460089

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 157, 257, 279, 465, 471, 771, 785, 1285, 1395, 1413, 2313, 2355, 3855, 4867, 7065, 7967, 11565, 14601, 23901, 24335, 39835, 40349, 43803, 71703, 73005, 119505, 121047, 201745, 219015, 358515, 363141, 605235, 1250819, 1815705, 3752457, 6254095, 11257371, 18762285, 56286855]

約数ペア:

[(1, 56286855), (3, 18762285), (5, 11257371), (9, 6254095), (15, 3752457), (31, 1815705), (45, 1250819), (93, 605235), (155, 363141), (157, 358515), (257, 219015), (279, 201745), (465, 121047), (471, 119505), (771, 73005), (785, 71703), (1285, 43803), (1395, 40349), (1413, 39835), (2313, 24335), (2355, 23901), (3855, 14601), (4867, 11565), (7065, 7967)]