128460843

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 232243200

約数和(自身を除く): 103782357

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 83, 133, 171, 189, 249, 399, 431, 513, 581, 747, 1197, 1293, 1577, 1743, 2241, 3017, 3591, 3879, 4731, 5229, 8189, 9051, 11039, 11637, 14193, 15687, 24567, 27153, 33117, 35773, 42579, 57323, 73701, 81459, 99351, 107319, 171969, 221103, 250411, 298053, 321957, 515907, 679687, 751233, 965871, 1547721, 2039061, 2253699, 4757809, 6117183, 6761097, 14273427, 18351549, 42820281, 128460843]

約数ペア:

[(1, 128460843), (3, 42820281), (7, 18351549), (9, 14273427), (19, 6761097), (21, 6117183), (27, 4757809), (57, 2253699), (63, 2039061), (83, 1547721), (133, 965871), (171, 751233), (189, 679687), (249, 515907), (399, 321957), (431, 298053), (513, 250411), (581, 221103), (747, 171969), (1197, 107319), (1293, 99351), (1577, 81459), (1743, 73701), (2241, 57323), (3017, 42579), (3591, 35773), (3879, 33117), (4731, 27153), (5229, 24567), (8189, 15687), (9051, 14193), (11039, 11637)]