155015945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4271}}^1$

素因数の和:4361

約数の個数: 32

約数和(自身を含む): 228842496

約数和(自身を除く): 73826551

約数列:

[1, 5, 7, 17, 35, 61, 85, 119, 305, 427, 595, 1037, 2135, 4271, 5185, 7259, 21355, 29897, 36295, 72607, 149485, 260531, 363035, 508249, 1302655, 1823717, 2541245, 4429027, 9118585, 22145135, 31003189, 155015945]

約数ペア:

[(1, 155015945), (5, 31003189), (7, 22145135), (17, 9118585), (35, 4429027), (61, 2541245), (85, 1823717), (119, 1302655), (305, 508249), (427, 363035), (595, 260531), (1037, 149485), (2135, 72607), (4271, 36295), (5185, 29897), (7259, 21355)]