12735681

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 20812800

約数和(自身を除く): 8077119

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 541, 1121, 1239, 1623, 3363, 3787, 7847, 10279, 11361, 23541, 30837, 31919, 71953, 95757, 215859, 223433, 606461, 670299, 1819383, 4245227, 12735681]

約数ペア:

[(1, 12735681), (3, 4245227), (7, 1819383), (19, 670299), (21, 606461), (57, 223433), (59, 215859), (133, 95757), (177, 71953), (399, 31919), (413, 30837), (541, 23541), (1121, 11361), (1239, 10279), (1623, 7847), (3363, 3787)]