247265271

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8243}}^1$

素因数の和:8364

約数の個数: 32

約数和(自身を含む): 403626240

約数和(自身を除く): 156360969

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 909, 1111, 2727, 3333, 8243, 9999, 24729, 29997, 74187, 90673, 222561, 272019, 816057, 832543, 2448171, 2497629, 7492887, 9157973, 22478661, 27473919, 82421757, 247265271]

約数ペア:

[(1, 247265271), (3, 82421757), (9, 27473919), (11, 22478661), (27, 9157973), (33, 7492887), (99, 2497629), (101, 2448171), (297, 832543), (303, 816057), (909, 272019), (1111, 222561), (2727, 90673), (3333, 74187), (8243, 29997), (9999, 24729)]