203480515

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2551}}^1$

素因数の和:2659

約数の個数: 32

約数和(自身を含む): 291050496

約数和(自身を除く): 87569981

約数列:

[1, 5, 7, 35, 43, 53, 215, 265, 301, 371, 1505, 1855, 2279, 2551, 11395, 12755, 15953, 17857, 79765, 89285, 109693, 135203, 548465, 676015, 767851, 946421, 3839255, 4732105, 5813729, 29068645, 40696103, 203480515]

約数ペア:

[(1, 203480515), (5, 40696103), (7, 29068645), (35, 5813729), (43, 4732105), (53, 3839255), (215, 946421), (265, 767851), (301, 676015), (371, 548465), (1505, 135203), (1855, 109693), (2279, 89285), (2551, 79765), (11395, 17857), (12755, 15953)]