156978135

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 290304000

約数和(自身を除く): 133325865

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 79, 123, 135, 205, 237, 359, 369, 395, 615, 711, 1077, 1107, 1185, 1795, 1845, 2133, 3231, 3239, 3555, 5385, 5535, 9693, 9717, 10665, 14719, 16155, 16195, 28361, 29151, 44157, 48465, 48585, 73595, 85083, 87453, 132471, 141805, 145755, 220785, 255249, 397413, 425415, 437265, 662355, 765747, 1162801, 1276245, 1987065, 3488403, 3828735, 5814005, 10465209, 17442015, 31395627, 52326045, 156978135]

約数ペア:

[(1, 156978135), (3, 52326045), (5, 31395627), (9, 17442015), (15, 10465209), (27, 5814005), (41, 3828735), (45, 3488403), (79, 1987065), (123, 1276245), (135, 1162801), (205, 765747), (237, 662355), (359, 437265), (369, 425415), (395, 397413), (615, 255249), (711, 220785), (1077, 145755), (1107, 141805), (1185, 132471), (1795, 87453), (1845, 85083), (2133, 73595), (3231, 48585), (3239, 48465), (3555, 44157), (5385, 29151), (5535, 28361), (9693, 16195), (9717, 16155), (10665, 14719)]