4978155

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 9997344

約数和(自身を除く): 5019189

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 521, 637, 735, 1365, 1563, 1911, 2605, 3185, 3647, 6773, 7815, 9555, 10941, 18235, 20319, 25529, 33865, 47411, 54705, 76587, 101595, 127645, 142233, 237055, 331877, 382935, 711165, 995631, 1659385, 4978155]

約数ペア:

[(1, 4978155), (3, 1659385), (5, 995631), (7, 711165), (13, 382935), (15, 331877), (21, 237055), (35, 142233), (39, 127645), (49, 101595), (65, 76587), (91, 54705), (105, 47411), (147, 33865), (195, 25529), (245, 20319), (273, 18235), (455, 10941), (521, 9555), (637, 7815), (735, 6773), (1365, 3647), (1563, 3185), (1911, 2605)]