1987425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1$

素因数の和:111

約数の個数: 54

約数和(自身を含む): 3966326

約数和(自身を除く): 1978901

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 73, 75, 99, 121, 165, 219, 225, 275, 363, 365, 495, 605, 657, 803, 825, 1089, 1095, 1815, 1825, 2409, 2475, 3025, 3285, 4015, 5445, 5475, 7227, 8833, 9075, 12045, 16425, 20075, 26499, 27225, 36135, 44165, 60225, 79497, 132495, 180675, 220825, 397485, 662475, 1987425]

約数ペア:

[(1, 1987425), (3, 662475), (5, 397485), (9, 220825), (11, 180675), (15, 132495), (25, 79497), (33, 60225), (45, 44165), (55, 36135), (73, 27225), (75, 26499), (99, 20075), (121, 16425), (165, 12045), (219, 9075), (225, 8833), (275, 7227), (363, 5475), (365, 5445), (495, 4015), (605, 3285), (657, 3025), (803, 2475), (825, 2409), (1089, 1825), (1095, 1815)]