208227825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 404666808

約数和(自身を除く): 196438983

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 257, 277, 325, 585, 771, 831, 975, 1285, 1385, 2313, 2493, 2925, 3341, 3601, 3855, 4155, 6425, 6925, 10023, 10803, 11565, 12465, 16705, 18005, 19275, 20775, 30069, 32409, 50115, 54015, 57825, 62325, 71189, 83525, 90025, 150345, 162045, 213567, 250575, 270075, 355945, 640701, 751725, 810225, 925457, 1067835, 1779725, 2776371, 3203505, 4627285, 5339175, 8329113, 13881855, 16017525, 23136425, 41645565, 69409275, 208227825]

約数ペア:

[(1, 208227825), (3, 69409275), (5, 41645565), (9, 23136425), (13, 16017525), (15, 13881855), (25, 8329113), (39, 5339175), (45, 4627285), (65, 3203505), (75, 2776371), (117, 1779725), (195, 1067835), (225, 925457), (257, 810225), (277, 751725), (325, 640701), (585, 355945), (771, 270075), (831, 250575), (975, 213567), (1285, 162045), (1385, 150345), (2313, 90025), (2493, 83525), (2925, 71189), (3341, 62325), (3601, 57825), (3855, 54015), (4155, 50115), (6425, 32409), (6925, 30069), (10023, 20775), (10803, 19275), (11565, 18005), (12465, 16705)]