2051201997

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{25153}}^1$

素因数の和:25230

約数の個数: 48

約数和(自身を含む): 3460989168

約数和(自身を除く): 1409787171

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 369, 533, 663, 697, 1599, 1989, 2091, 4797, 6273, 9061, 25153, 27183, 75459, 81549, 226377, 326989, 427601, 980967, 1031273, 1282803, 2942901, 3093819, 3848409, 5558813, 9281457, 13406549, 16676439, 17531641, 40219647, 50029317, 52594923, 120658941, 157784769, 227911333, 683733999, 2051201997]

約数ペア:

[(1, 2051201997), (3, 683733999), (9, 227911333), (13, 157784769), (17, 120658941), (39, 52594923), (41, 50029317), (51, 40219647), (117, 17531641), (123, 16676439), (153, 13406549), (221, 9281457), (369, 5558813), (533, 3848409), (663, 3093819), (697, 2942901), (1599, 1282803), (1989, 1031273), (2091, 980967), (4797, 427601), (6273, 326989), (9061, 226377), (25153, 81549), (27183, 75459)]