51591375

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 72

約数和(自身を含む): 102495120

約数和(自身を除く): 50903745

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 125, 165, 225, 275, 363, 375, 379, 495, 605, 825, 1089, 1125, 1137, 1375, 1815, 1895, 2475, 3025, 3411, 4125, 4169, 5445, 5685, 9075, 9475, 12375, 12507, 15125, 17055, 20845, 27225, 28425, 37521, 45375, 45859, 47375, 62535, 85275, 104225, 136125, 137577, 142125, 187605, 229295, 312675, 412731, 426375, 521125, 687885, 938025, 1146475, 1563375, 2063655, 3439425, 4690125, 5732375, 10318275, 17197125, 51591375]

約数ペア:

[(1, 51591375), (3, 17197125), (5, 10318275), (9, 5732375), (11, 4690125), (15, 3439425), (25, 2063655), (33, 1563375), (45, 1146475), (55, 938025), (75, 687885), (99, 521125), (121, 426375), (125, 412731), (165, 312675), (225, 229295), (275, 187605), (363, 142125), (375, 137577), (379, 136125), (495, 104225), (605, 85275), (825, 62535), (1089, 47375), (1125, 45859), (1137, 45375), (1375, 37521), (1815, 28425), (1895, 27225), (2475, 20845), (3025, 17055), (3411, 15125), (4125, 12507), (4169, 12375), (5445, 9475), (5685, 9075)]