51912009

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 82764000

約数和(自身を除く): 30851991

約数列:

[1, 3, 9, 19, 27, 57, 81, 89, 171, 267, 379, 513, 801, 1137, 1539, 1691, 2403, 3411, 5073, 7201, 7209, 10233, 15219, 21603, 30699, 33731, 45657, 64809, 101193, 136971, 194427, 303579, 583281, 640889, 910737, 1922667, 2732211, 5768001, 17304003, 51912009]

約数ペア:

[(1, 51912009), (3, 17304003), (9, 5768001), (19, 2732211), (27, 1922667), (57, 910737), (81, 640889), (89, 583281), (171, 303579), (267, 194427), (379, 136971), (513, 101193), (801, 64809), (1137, 45657), (1539, 33731), (1691, 30699), (2403, 21603), (3411, 15219), (5073, 10233), (7201, 7209)]