78818481

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4129}}^1$

素因数の和:4246

約数の個数: 32

約数和(自身を含む): 134803200

約数和(自身を除く): 55984719

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 2121, 2727, 4129, 6363, 12387, 19089, 28903, 37161, 86709, 111483, 260127, 417029, 780381, 1251087, 2919203, 3753261, 8757609, 11259783, 26272827, 78818481]

約数ペア:

[(1, 78818481), (3, 26272827), (7, 11259783), (9, 8757609), (21, 3753261), (27, 2919203), (63, 1251087), (101, 780381), (189, 417029), (303, 260127), (707, 111483), (909, 86709), (2121, 37161), (2727, 28903), (4129, 19089), (6363, 12387)]