78167187

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1657

約数の個数: 40

約数和(自身を含む): 135036000

約数和(自身を除く): 56868813

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 267, 567, 623, 801, 1549, 1869, 2403, 4647, 5607, 7209, 10843, 13941, 16821, 32529, 41823, 50463, 97587, 125469, 137861, 292761, 413583, 878283, 965027, 1240749, 2895081, 3722247, 8685243, 11166741, 26055729, 78167187]

約数ペア:

[(1, 78167187), (3, 26055729), (7, 11166741), (9, 8685243), (21, 3722247), (27, 2895081), (63, 1240749), (81, 965027), (89, 878283), (189, 413583), (267, 292761), (567, 137861), (623, 125469), (801, 97587), (1549, 50463), (1869, 41823), (2403, 32529), (4647, 16821), (5607, 13941), (7209, 10843)]