31401975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 28594185

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 2239, 2805, 4675, 6717, 11195, 14025, 24629, 33585, 38063, 55975, 73887, 114189, 123145, 167925, 190315, 369435, 418693, 570945, 615725, 951575, 1256079, 1847175, 2093465, 2854725, 6280395, 10467325, 31401975]

約数ペア:

[(1, 31401975), (3, 10467325), (5, 6280395), (11, 2854725), (15, 2093465), (17, 1847175), (25, 1256079), (33, 951575), (51, 615725), (55, 570945), (75, 418693), (85, 369435), (165, 190315), (187, 167925), (255, 123145), (275, 114189), (425, 73887), (561, 55975), (825, 38063), (935, 33585), (1275, 24629), (2239, 14025), (2805, 11195), (4675, 6717)]