31530681

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 59082240

約数和(自身を除く): 27551559

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 41, 63, 91, 117, 123, 189, 273, 287, 313, 351, 369, 533, 819, 861, 939, 1107, 1599, 2191, 2457, 2583, 2817, 3731, 4069, 4797, 6573, 7749, 8451, 11193, 12207, 12833, 14391, 19719, 28483, 33579, 36621, 38499, 59157, 85449, 89831, 100737, 109863, 115497, 166829, 256347, 269493, 346491, 500487, 769041, 808479, 1167803, 1501461, 2425437, 3503409, 4504383, 10510227, 31530681]

約数ペア:

[(1, 31530681), (3, 10510227), (7, 4504383), (9, 3503409), (13, 2425437), (21, 1501461), (27, 1167803), (39, 808479), (41, 769041), (63, 500487), (91, 346491), (117, 269493), (123, 256347), (189, 166829), (273, 115497), (287, 109863), (313, 100737), (351, 89831), (369, 85449), (533, 59157), (819, 38499), (861, 36621), (939, 33579), (1107, 28483), (1599, 19719), (2191, 14391), (2457, 12833), (2583, 12207), (2817, 11193), (3731, 8451), (4069, 7749), (4797, 6573)]