31222818

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2311

約数の個数: 48

約数和(自身を含む): 74872512

約数和(自身を除く): 43649694

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1562, 2221, 2343, 4442, 4686, 6663, 7029, 13326, 14058, 19989, 24431, 39978, 48862, 73293, 146586, 157691, 219879, 315382, 439758, 473073, 946146, 1419219, 1734601, 2838438, 3469202, 5203803, 10407606, 15611409, 31222818]

約数ペア:

[(1, 31222818), (2, 15611409), (3, 10407606), (6, 5203803), (9, 3469202), (11, 2838438), (18, 1734601), (22, 1419219), (33, 946146), (66, 473073), (71, 439758), (99, 315382), (142, 219879), (198, 157691), (213, 146586), (426, 73293), (639, 48862), (781, 39978), (1278, 24431), (1562, 19989), (2221, 14058), (2343, 13326), (4442, 7029), (4686, 6663)]