1388583

素因数分解:

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

素因数の和:129

約数の個数: 40

約数和(自身を含む): 2478080

約数和(自身を除く): 1089497

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 79, 81, 93, 189, 217, 237, 279, 553, 567, 651, 711, 837, 1659, 1953, 2133, 2449, 2511, 4977, 5859, 6399, 7347, 14931, 17143, 17577, 22041, 44793, 51429, 66123, 154287, 198369, 462861, 1388583]

約数ペア:

[(1, 1388583), (3, 462861), (7, 198369), (9, 154287), (21, 66123), (27, 51429), (31, 44793), (63, 22041), (79, 17577), (81, 17143), (93, 14931), (189, 7347), (217, 6399), (237, 5859), (279, 4977), (553, 2511), (567, 2449), (651, 2133), (711, 1953), (837, 1659)]