72918975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 126341120

約数和(自身を除く): 53422145

約数列:

[1, 3, 5, 15, 25, 31, 75, 79, 93, 155, 237, 395, 397, 465, 775, 1185, 1191, 1975, 1985, 2325, 2449, 5925, 5955, 7347, 9925, 12245, 12307, 29775, 31363, 36735, 36921, 61225, 61535, 94089, 156815, 183675, 184605, 307675, 470445, 784075, 923025, 972253, 2352225, 2916759, 4861265, 14583795, 24306325, 72918975]

約数ペア:

[(1, 72918975), (3, 24306325), (5, 14583795), (15, 4861265), (25, 2916759), (31, 2352225), (75, 972253), (79, 923025), (93, 784075), (155, 470445), (237, 307675), (395, 184605), (397, 183675), (465, 156815), (775, 94089), (1185, 61535), (1191, 61225), (1975, 36921), (1985, 36735), (2325, 31363), (2449, 29775), (5925, 12307), (5955, 12245), (7347, 9925)]