31131972

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 85800960

約数和(自身を除く): 54668988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 83, 92, 108, 138, 151, 166, 207, 249, 276, 302, 332, 414, 453, 498, 604, 621, 747, 828, 906, 996, 1242, 1359, 1494, 1812, 1909, 2241, 2484, 2718, 2988, 3473, 3818, 4077, 4482, 5436, 5727, 6946, 7636, 8154, 8964, 10419, 11454, 12533, 13892, 16308, 17181, 20838, 22908, 25066, 31257, 34362, 37599, 41676, 50132, 51543, 62514, 68724, 75198, 93771, 103086, 112797, 125028, 150396, 187542, 206172, 225594, 288259, 338391, 375084, 451188, 576518, 676782, 864777, 1153036, 1353564, 1729554, 2594331, 3459108, 5188662, 7782993, 10377324, 15565986, 31131972]

約数ペア:

[(1, 31131972), (2, 15565986), (3, 10377324), (4, 7782993), (6, 5188662), (9, 3459108), (12, 2594331), (18, 1729554), (23, 1353564), (27, 1153036), (36, 864777), (46, 676782), (54, 576518), (69, 451188), (83, 375084), (92, 338391), (108, 288259), (138, 225594), (151, 206172), (166, 187542), (207, 150396), (249, 125028), (276, 112797), (302, 103086), (332, 93771), (414, 75198), (453, 68724), (498, 62514), (604, 51543), (621, 50132), (747, 41676), (828, 37599), (906, 34362), (996, 31257), (1242, 25066), (1359, 22908), (1494, 20838), (1812, 17181), (1909, 16308), (2241, 13892), (2484, 12533), (2718, 11454), (2988, 10419), (3473, 8964), (3818, 8154), (4077, 7636), (4482, 6946), (5436, 5727)]