1278288765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:943

約数の個数: 96

約数和(自身を含む): 2487270240

約数和(自身を除く): 1208981475

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 73, 111, 117, 185, 195, 219, 333, 365, 481, 555, 585, 657, 809, 949, 1095, 1443, 1665, 2405, 2427, 2701, 2847, 3285, 4045, 4329, 4745, 7215, 7281, 8103, 8541, 10517, 12135, 13505, 14235, 21645, 24309, 29933, 31551, 35113, 36405, 40515, 42705, 52585, 59057, 89799, 94653, 105339, 121545, 149665, 157755, 175565, 177171, 269397, 295285, 316017, 389129, 448995, 473265, 526695, 531513, 767741, 885855, 1167387, 1346985, 1580085, 1945645, 2185109, 2303223, 2657565, 3502161, 3838705, 5836935, 6555327, 6909669, 10925545, 11516115, 17510805, 19665981, 28406417, 32776635, 34548345, 85219251, 98329905, 142032085, 255657753, 426096255, 1278288765]

約数ペア:

[(1, 1278288765), (3, 426096255), (5, 255657753), (9, 142032085), (13, 98329905), (15, 85219251), (37, 34548345), (39, 32776635), (45, 28406417), (65, 19665981), (73, 17510805), (111, 11516115), (117, 10925545), (185, 6909669), (195, 6555327), (219, 5836935), (333, 3838705), (365, 3502161), (481, 2657565), (555, 2303223), (585, 2185109), (657, 1945645), (809, 1580085), (949, 1346985), (1095, 1167387), (1443, 885855), (1665, 767741), (2405, 531513), (2427, 526695), (2701, 473265), (2847, 448995), (3285, 389129), (4045, 316017), (4329, 295285), (4745, 269397), (7215, 177171), (7281, 175565), (8103, 157755), (8541, 149665), (10517, 121545), (12135, 105339), (13505, 94653), (14235, 89799), (21645, 59057), (24309, 52585), (29933, 42705), (31551, 40515), (35113, 36405)]