201319839

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1543}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 353267200

約数和(自身を除く): 151947361

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 109, 133, 171, 327, 399, 763, 981, 1197, 1543, 2071, 2289, 4629, 6213, 6867, 10801, 13887, 14497, 18639, 29317, 32403, 43491, 87951, 97209, 130473, 168187, 205219, 263853, 504561, 615657, 1177309, 1513683, 1846971, 3195553, 3531927, 9586659, 10595781, 22368871, 28759977, 67106613, 201319839]

約数ペア:

[(1, 201319839), (3, 67106613), (7, 28759977), (9, 22368871), (19, 10595781), (21, 9586659), (57, 3531927), (63, 3195553), (109, 1846971), (133, 1513683), (171, 1177309), (327, 615657), (399, 504561), (763, 263853), (981, 205219), (1197, 168187), (1543, 130473), (2071, 97209), (2289, 87951), (4629, 43491), (6213, 32403), (6867, 29317), (10801, 18639), (13887, 14497)]