13021965

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 26484480

約数和(自身を除く): 13462515

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 79, 81, 99, 111, 135, 165, 185, 237, 297, 333, 395, 405, 407, 495, 555, 711, 869, 891, 999, 1185, 1221, 1485, 1665, 2035, 2133, 2607, 2923, 2997, 3555, 3663, 4345, 4455, 4995, 6105, 6399, 7821, 8769, 10665, 10989, 13035, 14615, 14985, 18315, 23463, 26307, 31995, 32153, 32967, 39105, 43845, 54945, 70389, 78921, 96459, 117315, 131535, 160765, 164835, 236763, 289377, 351945, 394605, 482295, 868131, 1183815, 1446885, 2604393, 4340655, 13021965]

約数ペア:

[(1, 13021965), (3, 4340655), (5, 2604393), (9, 1446885), (11, 1183815), (15, 868131), (27, 482295), (33, 394605), (37, 351945), (45, 289377), (55, 236763), (79, 164835), (81, 160765), (99, 131535), (111, 117315), (135, 96459), (165, 78921), (185, 70389), (237, 54945), (297, 43845), (333, 39105), (395, 32967), (405, 32153), (407, 31995), (495, 26307), (555, 23463), (711, 18315), (869, 14985), (891, 14615), (999, 13035), (1185, 10989), (1221, 10665), (1485, 8769), (1665, 7821), (2035, 6399), (2133, 6105), (2607, 4995), (2923, 4455), (2997, 4345), (3555, 3663)]