8420685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 17203200

約数和(自身を除く): 8782515

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 155, 195, 199, 217, 273, 403, 455, 465, 597, 651, 995, 1085, 1209, 1365, 1393, 2015, 2587, 2821, 2985, 3255, 4179, 6045, 6169, 6965, 7761, 8463, 12935, 14105, 18109, 18507, 20895, 30845, 38805, 42315, 43183, 54327, 80197, 90545, 92535, 129549, 215915, 240591, 271635, 400985, 561379, 647745, 1202955, 1684137, 2806895, 8420685]

約数ペア:

[(1, 8420685), (3, 2806895), (5, 1684137), (7, 1202955), (13, 647745), (15, 561379), (21, 400985), (31, 271635), (35, 240591), (39, 215915), (65, 129549), (91, 92535), (93, 90545), (105, 80197), (155, 54327), (195, 43183), (199, 42315), (217, 38805), (273, 30845), (403, 20895), (455, 18507), (465, 18109), (597, 14105), (651, 12935), (995, 8463), (1085, 7761), (1209, 6965), (1365, 6169), (1393, 6045), (2015, 4179), (2587, 3255), (2821, 2985)]