128966913

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{27191}}^1$

素因数の和:27245

約数の個数: 24

約数和(自身を含む): 203613696

約数和(自身を除く): 74646783

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4743, 27191, 81573, 244719, 462247, 842921, 1386741, 2528763, 4160223, 7586289, 14329657, 42988971, 128966913]

約数ペア:

[(1, 128966913), (3, 42988971), (9, 14329657), (17, 7586289), (31, 4160223), (51, 2528763), (93, 1386741), (153, 842921), (279, 462247), (527, 244719), (1581, 81573), (4743, 27191)]