210387905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{683}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 311641344

約数和(自身を除く): 101253439

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 677, 683, 3385, 3415, 4739, 4781, 8801, 8879, 23695, 23905, 44005, 44395, 61607, 62153, 308035, 310765, 462391, 2311955, 3236737, 6011083, 16183685, 30055415, 42077581, 210387905]

約数ペア:

[(1, 210387905), (5, 42077581), (7, 30055415), (13, 16183685), (35, 6011083), (65, 3236737), (91, 2311955), (455, 462391), (677, 310765), (683, 308035), (3385, 62153), (3415, 61607), (4739, 44395), (4781, 44005), (8801, 23905), (8879, 23695)]