31401315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 61414080

約数和(自身を除く): 30012765

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 73, 79, 99, 121, 165, 219, 237, 363, 365, 395, 495, 605, 657, 711, 803, 869, 1089, 1095, 1185, 1815, 2409, 2607, 3285, 3555, 4015, 4345, 5445, 5767, 7227, 7821, 8833, 9559, 12045, 13035, 17301, 26499, 28677, 28835, 36135, 39105, 44165, 47795, 51903, 63437, 79497, 86031, 86505, 132495, 143385, 190311, 259515, 317185, 397485, 430155, 570933, 697807, 951555, 2093421, 2854665, 3489035, 6280263, 10467105, 31401315]

約数ペア:

[(1, 31401315), (3, 10467105), (5, 6280263), (9, 3489035), (11, 2854665), (15, 2093421), (33, 951555), (45, 697807), (55, 570933), (73, 430155), (79, 397485), (99, 317185), (121, 259515), (165, 190311), (219, 143385), (237, 132495), (363, 86505), (365, 86031), (395, 79497), (495, 63437), (605, 51903), (657, 47795), (711, 44165), (803, 39105), (869, 36135), (1089, 28835), (1095, 28677), (1185, 26499), (1815, 17301), (2409, 13035), (2607, 12045), (3285, 9559), (3555, 8833), (4015, 7821), (4345, 7227), (5445, 5767)]