31115205

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:959

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 31922235

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 99, 115, 135, 165, 207, 253, 297, 345, 495, 621, 759, 911, 1035, 1265, 1485, 2277, 2733, 3105, 3795, 4555, 6831, 8199, 10021, 11385, 13665, 20953, 24597, 30063, 34155, 40995, 50105, 62859, 90189, 104765, 122985, 150315, 188577, 230483, 270567, 314295, 450945, 565731, 691449, 942885, 1152415, 1352835, 2074347, 2828655, 3457245, 6223041, 10371735, 31115205]

約数ペア:

[(1, 31115205), (3, 10371735), (5, 6223041), (9, 3457245), (11, 2828655), (15, 2074347), (23, 1352835), (27, 1152415), (33, 942885), (45, 691449), (55, 565731), (69, 450945), (99, 314295), (115, 270567), (135, 230483), (165, 188577), (207, 150315), (253, 122985), (297, 104765), (345, 90189), (495, 62859), (621, 50105), (759, 40995), (911, 34155), (1035, 30063), (1265, 24597), (1485, 20953), (2277, 13665), (2733, 11385), (3105, 10021), (3795, 8199), (4555, 6831)]