1120905

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 48

約数和(自身を含む): 2194560

約数和(自身を除く): 1073655

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 95, 115, 135, 171, 207, 285, 345, 361, 437, 513, 621, 855, 1035, 1083, 1311, 1805, 2185, 2565, 3105, 3249, 3933, 5415, 6555, 8303, 9747, 11799, 16245, 19665, 24909, 41515, 48735, 58995, 74727, 124545, 224181, 373635, 1120905]

約数ペア:

[(1, 1120905), (3, 373635), (5, 224181), (9, 124545), (15, 74727), (19, 58995), (23, 48735), (27, 41515), (45, 24909), (57, 19665), (69, 16245), (95, 11799), (115, 9747), (135, 8303), (171, 6555), (207, 5415), (285, 3933), (345, 3249), (361, 3105), (437, 2565), (513, 2185), (621, 1805), (855, 1311), (1035, 1083)]