2021691735

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{130981}}^1$

素因数の和:131013

約数の個数: 48

約数和(自身を含む): 4086638400

約数和(自身を除く): 2064946665

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 5145, 15435, 130981, 392943, 654905, 916867, 1178829, 1964715, 2750601, 4584335, 5894145, 6418069, 8251803, 13753005, 19254207, 32090345, 41259015, 44926483, 57762621, 96271035, 134779449, 224632415, 288813105, 404338347, 673897245, 2021691735]

約数ペア:

[(1, 2021691735), (3, 673897245), (5, 404338347), (7, 288813105), (9, 224632415), (15, 134779449), (21, 96271035), (35, 57762621), (45, 44926483), (49, 41259015), (63, 32090345), (105, 19254207), (147, 13753005), (245, 8251803), (315, 6418069), (343, 5894145), (441, 4584335), (735, 2750601), (1029, 1964715), (1715, 1178829), (2205, 916867), (3087, 654905), (5145, 392943), (15435, 130981)]