18750609

素因数分解:

$3^6\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 42

約数和(自身を含む): 30199590

約数和(自身を除く): 11448981

約数列:

[1, 3, 9, 17, 27, 51, 81, 89, 153, 243, 267, 289, 459, 729, 801, 867, 1377, 1513, 2403, 2601, 4131, 4539, 7209, 7803, 12393, 13617, 21627, 23409, 25721, 40851, 64881, 70227, 77163, 122553, 210681, 231489, 367659, 694467, 1102977, 2083401, 6250203, 18750609]

約数ペア:

[(1, 18750609), (3, 6250203), (9, 2083401), (17, 1102977), (27, 694467), (51, 367659), (81, 231489), (89, 210681), (153, 122553), (243, 77163), (267, 70227), (289, 64881), (459, 40851), (729, 25721), (801, 23409), (867, 21627), (1377, 13617), (1513, 12393), (2403, 7803), (2601, 7209), (4131, 4539)]