1820797245

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{8209}}^1$

素因数の和:8307

約数の個数: 64

約数和(自身を含む): 3404851200

約数和(自身を除く): 1584053955

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 53, 93, 135, 155, 159, 265, 279, 465, 477, 795, 837, 1395, 1431, 1643, 2385, 4185, 4929, 7155, 8209, 8215, 14787, 24627, 24645, 41045, 44361, 73881, 73935, 123135, 221643, 221805, 254479, 369405, 435077, 763437, 1108215, 1272395, 1305231, 2175385, 2290311, 3817185, 3915693, 6526155, 6870933, 11451555, 11747079, 13487387, 19578465, 34354665, 40462161, 58735395, 67436935, 121386483, 202310805, 364159449, 606932415, 1820797245]

約数ペア:

[(1, 1820797245), (3, 606932415), (5, 364159449), (9, 202310805), (15, 121386483), (27, 67436935), (31, 58735395), (45, 40462161), (53, 34354665), (93, 19578465), (135, 13487387), (155, 11747079), (159, 11451555), (265, 6870933), (279, 6526155), (465, 3915693), (477, 3817185), (795, 2290311), (837, 2175385), (1395, 1305231), (1431, 1272395), (1643, 1108215), (2385, 763437), (4185, 435077), (4929, 369405), (7155, 254479), (8209, 221805), (8215, 221643), (14787, 123135), (24627, 73935), (24645, 73881), (41045, 44361)]