81636795

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19507}}^1$

素因数の和:19552

約数の個数: 32

約数和(自身を含む): 149821440

約数和(自身を除く): 68184645

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 19507, 58521, 97535, 175563, 292605, 526689, 604717, 877815, 1814151, 2633445, 3023585, 5442453, 9070755, 16327359, 27212265, 81636795]

約数ペア:

[(1, 81636795), (3, 27212265), (5, 16327359), (9, 9070755), (15, 5442453), (27, 3023585), (31, 2633445), (45, 1814151), (93, 877815), (135, 604717), (155, 526689), (279, 292605), (465, 175563), (837, 97535), (1395, 58521), (4185, 19507)]