87581355

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 159252480

約数和(自身を除く): 71671125

約数列:

[1, 3, 5, 15, 19, 23, 31, 57, 69, 93, 95, 115, 155, 285, 345, 431, 437, 465, 589, 713, 1293, 1311, 1767, 2139, 2155, 2185, 2945, 3565, 6465, 6555, 8189, 8835, 9913, 10695, 13361, 13547, 24567, 29739, 40083, 40641, 40945, 49565, 66805, 67735, 122835, 148695, 188347, 200415, 203205, 253859, 307303, 565041, 761577, 921909, 941735, 1269295, 1536515, 2825205, 3807885, 4609545, 5838757, 17516271, 29193785, 87581355]

約数ペア:

[(1, 87581355), (3, 29193785), (5, 17516271), (15, 5838757), (19, 4609545), (23, 3807885), (31, 2825205), (57, 1536515), (69, 1269295), (93, 941735), (95, 921909), (115, 761577), (155, 565041), (285, 307303), (345, 253859), (431, 203205), (437, 200415), (465, 188347), (589, 148695), (713, 122835), (1293, 67735), (1311, 66805), (1767, 49565), (2139, 40945), (2155, 40641), (2185, 40083), (2945, 29739), (3565, 24567), (6465, 13547), (6555, 13361), (8189, 10695), (8835, 9913)]