279631755

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12919}}^1$

素因数の和:12980

約数の個数: 48

約数和(自身を含む): 536128320

約数和(自身を除く): 256496565

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 1443, 1665, 2405, 4329, 7215, 12919, 21645, 38757, 64595, 116271, 167947, 193785, 478003, 503841, 581355, 839735, 1434009, 1511523, 2390015, 2519205, 4302027, 6214039, 7170045, 7557615, 18642117, 21510135, 31070195, 55926351, 93210585, 279631755]

約数ペア:

[(1, 279631755), (3, 93210585), (5, 55926351), (9, 31070195), (13, 21510135), (15, 18642117), (37, 7557615), (39, 7170045), (45, 6214039), (65, 4302027), (111, 2519205), (117, 2390015), (185, 1511523), (195, 1434009), (333, 839735), (481, 581355), (555, 503841), (585, 478003), (1443, 193785), (1665, 167947), (2405, 116271), (4329, 64595), (7215, 38757), (12919, 21645)]