2709090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 7278336

約数和(自身を除く): 4569246

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 971, 1395, 1942, 2790, 2913, 4855, 5826, 8739, 9710, 14565, 17478, 29130, 30101, 43695, 60202, 87390, 90303, 150505, 180606, 270909, 301010, 451515, 541818, 903030, 1354545, 2709090]

約数ペア:

[(1, 2709090), (2, 1354545), (3, 903030), (5, 541818), (6, 451515), (9, 301010), (10, 270909), (15, 180606), (18, 150505), (30, 90303), (31, 87390), (45, 60202), (62, 43695), (90, 30101), (93, 29130), (155, 17478), (186, 14565), (279, 9710), (310, 8739), (465, 5826), (558, 4855), (930, 2913), (971, 2790), (1395, 1942)]