207817065

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 371067840

約数和(自身を除く): 163250775

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 211, 215, 387, 509, 633, 645, 1055, 1527, 1899, 1935, 2545, 3165, 4581, 7635, 9073, 9495, 21887, 22905, 27219, 45365, 65661, 81657, 107399, 109435, 136095, 196983, 322197, 328305, 408285, 536995, 966591, 984915, 1610985, 4618157, 4832955, 13854471, 23090785, 41563413, 69272355, 207817065]

約数ペア:

[(1, 207817065), (3, 69272355), (5, 41563413), (9, 23090785), (15, 13854471), (43, 4832955), (45, 4618157), (129, 1610985), (211, 984915), (215, 966591), (387, 536995), (509, 408285), (633, 328305), (645, 322197), (1055, 196983), (1527, 136095), (1899, 109435), (1935, 107399), (2545, 81657), (3165, 65661), (4581, 45365), (7635, 27219), (9073, 22905), (9495, 21887)]