28518675

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 49758720

約数和(自身を除く): 21240045

約数列:

[1, 3, 5, 15, 25, 37, 43, 75, 111, 129, 185, 215, 239, 555, 645, 717, 925, 1075, 1195, 1591, 2775, 3225, 3585, 4773, 5975, 7955, 8843, 10277, 17925, 23865, 26529, 30831, 39775, 44215, 51385, 119325, 132645, 154155, 221075, 256925, 380249, 663225, 770775, 1140747, 1901245, 5703735, 9506225, 28518675]

約数ペア:

[(1, 28518675), (3, 9506225), (5, 5703735), (15, 1901245), (25, 1140747), (37, 770775), (43, 663225), (75, 380249), (111, 256925), (129, 221075), (185, 154155), (215, 132645), (239, 119325), (555, 51385), (645, 44215), (717, 39775), (925, 30831), (1075, 26529), (1195, 23865), (1591, 17925), (2775, 10277), (3225, 8843), (3585, 7955), (4773, 5975)]