81623715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 146181120

約数和(自身を除く): 64557405

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 289, 323, 867, 969, 991, 1445, 1615, 2973, 4335, 4845, 4955, 5491, 14865, 16473, 16847, 18829, 27455, 50541, 56487, 82365, 84235, 94145, 252705, 282435, 286399, 320093, 859197, 960279, 1431995, 1600465, 4295985, 4801395, 5441581, 16324743, 27207905, 81623715]

約数ペア:

[(1, 81623715), (3, 27207905), (5, 16324743), (15, 5441581), (17, 4801395), (19, 4295985), (51, 1600465), (57, 1431995), (85, 960279), (95, 859197), (255, 320093), (285, 286399), (289, 282435), (323, 252705), (867, 94145), (969, 84235), (991, 82365), (1445, 56487), (1615, 50541), (2973, 27455), (4335, 18829), (4845, 16847), (4955, 16473), (5491, 14865)]