26687175

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 46366080

約数和(自身を除く): 19678905

約数列:

[1, 3, 5, 15, 25, 37, 59, 75, 111, 163, 177, 185, 295, 489, 555, 815, 885, 925, 1475, 2183, 2445, 2775, 4075, 4425, 6031, 6549, 9617, 10915, 12225, 18093, 28851, 30155, 32745, 48085, 54575, 90465, 144255, 150775, 163725, 240425, 355829, 452325, 721275, 1067487, 1779145, 5337435, 8895725, 26687175]

約数ペア:

[(1, 26687175), (3, 8895725), (5, 5337435), (15, 1779145), (25, 1067487), (37, 721275), (59, 452325), (75, 355829), (111, 240425), (163, 163725), (177, 150775), (185, 144255), (295, 90465), (489, 54575), (555, 48085), (815, 32745), (885, 30155), (925, 28851), (1475, 18093), (2183, 12225), (2445, 10915), (2775, 9617), (4075, 6549), (4425, 6031)]