87403941

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 138028800

約数和(自身を除く): 50624859

約数列:

[1, 3, 9, 27, 29, 79, 81, 87, 157, 237, 243, 261, 471, 711, 783, 1413, 2133, 2291, 2349, 4239, 4553, 6399, 6873, 7047, 12403, 12717, 13659, 19197, 20619, 37209, 38151, 40977, 61857, 111627, 122931, 185571, 334881, 359687, 368793, 556713, 1004643, 1079061, 1106379, 3013929, 3237183, 9711549, 29134647, 87403941]

約数ペア:

[(1, 87403941), (3, 29134647), (9, 9711549), (27, 3237183), (29, 3013929), (79, 1106379), (81, 1079061), (87, 1004643), (157, 556713), (237, 368793), (243, 359687), (261, 334881), (471, 185571), (711, 122931), (783, 111627), (1413, 61857), (2133, 40977), (2291, 38151), (2349, 37209), (4239, 20619), (4553, 19197), (6399, 13659), (6873, 12717), (7047, 12403)]