13001121

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 23201280

約数和(自身を除く): 10200159

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 317, 441, 651, 837, 951, 1323, 1519, 1953, 2219, 2853, 4557, 5859, 6657, 8559, 9827, 13671, 15533, 19971, 29481, 41013, 46599, 59913, 68789, 88443, 139797, 206367, 265329, 419391, 481523, 619101, 1444569, 1857303, 4333707, 13001121]

約数ペア:

[(1, 13001121), (3, 4333707), (7, 1857303), (9, 1444569), (21, 619101), (27, 481523), (31, 419391), (49, 265329), (63, 206367), (93, 139797), (147, 88443), (189, 68789), (217, 59913), (279, 46599), (317, 41013), (441, 29481), (651, 19971), (837, 15533), (951, 13671), (1323, 9827), (1519, 8559), (1953, 6657), (2219, 5859), (2853, 4557)]