31404225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 54282240

約数和(自身を除く): 22878015

約数列:

[1, 3, 5, 15, 25, 47, 59, 75, 141, 151, 177, 235, 295, 453, 705, 755, 885, 1175, 1475, 2265, 2773, 3525, 3775, 4425, 7097, 8319, 8909, 11325, 13865, 21291, 26727, 35485, 41595, 44545, 69325, 106455, 133635, 177425, 207975, 222725, 418723, 532275, 668175, 1256169, 2093615, 6280845, 10468075, 31404225]

約数ペア:

[(1, 31404225), (3, 10468075), (5, 6280845), (15, 2093615), (25, 1256169), (47, 668175), (59, 532275), (75, 418723), (141, 222725), (151, 207975), (177, 177425), (235, 133635), (295, 106455), (453, 69325), (705, 44545), (755, 41595), (885, 35485), (1175, 26727), (1475, 21291), (2265, 13865), (2773, 11325), (3525, 8909), (3775, 8319), (4425, 7097)]