520163955

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 916362720

約数和(自身を除く): 396198765

約数列:

[1, 3, 5, 9, 15, 45, 97, 269, 291, 443, 485, 807, 873, 1329, 1345, 1455, 2215, 2421, 3987, 4035, 4365, 6645, 12105, 19935, 26093, 42971, 78279, 119167, 128913, 130465, 214855, 234837, 357501, 386739, 391395, 595835, 644565, 1072503, 1174185, 1787505, 1933695, 5362515, 11559199, 34677597, 57795995, 104032791, 173387985, 520163955]

約数ペア:

[(1, 520163955), (3, 173387985), (5, 104032791), (9, 57795995), (15, 34677597), (45, 11559199), (97, 5362515), (269, 1933695), (291, 1787505), (443, 1174185), (485, 1072503), (807, 644565), (873, 595835), (1329, 391395), (1345, 386739), (1455, 357501), (2215, 234837), (2421, 214855), (3987, 130465), (4035, 128913), (4365, 119167), (6645, 78279), (12105, 42971), (19935, 26093)]