221414919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10667}}^1$

素因数の和:10735

約数の個数: 32

約数和(自身を含む): 350251776

約数和(自身を除く): 128836857

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 1221, 1887, 6919, 10667, 20757, 32001, 117337, 181339, 352011, 394679, 544017, 1184037, 1994729, 4341469, 5984187, 6709543, 13024407, 20128629, 73804973, 221414919]

約数ペア:

[(1, 221414919), (3, 73804973), (11, 20128629), (17, 13024407), (33, 6709543), (37, 5984187), (51, 4341469), (111, 1994729), (187, 1184037), (407, 544017), (561, 394679), (629, 352011), (1221, 181339), (1887, 117337), (6919, 32001), (10667, 20757)]