9720081

素因数分解:

$3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 17656320

約数和(自身を除く): 7936239

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 79, 81, 93, 147, 189, 217, 237, 279, 441, 553, 567, 651, 711, 837, 1323, 1519, 1659, 1953, 2133, 2449, 2511, 3871, 3969, 4557, 4977, 5859, 6399, 7347, 11613, 13671, 14931, 17143, 17577, 22041, 34839, 41013, 44793, 51429, 66123, 104517, 120001, 123039, 154287, 198369, 313551, 360003, 462861, 1080009, 1388583, 3240027, 9720081]

約数ペア:

[(1, 9720081), (3, 3240027), (7, 1388583), (9, 1080009), (21, 462861), (27, 360003), (31, 313551), (49, 198369), (63, 154287), (79, 123039), (81, 120001), (93, 104517), (147, 66123), (189, 51429), (217, 44793), (237, 41013), (279, 34839), (441, 22041), (553, 17577), (567, 17143), (651, 14931), (711, 13671), (837, 11613), (1323, 7347), (1519, 6399), (1659, 5859), (1953, 4977), (2133, 4557), (2449, 3969), (2511, 3871)]