207815445

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2731}}^1$

素因数の和:2850

約数の個数: 48

約数和(自身を含む): 383572800

約数和(自身を除く): 175757355

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 267, 285, 445, 801, 855, 1335, 1691, 2731, 4005, 5073, 8193, 8455, 13655, 15219, 24579, 25365, 40965, 51889, 76095, 122895, 155667, 243059, 259445, 467001, 729177, 778335, 1215295, 2187531, 2335005, 3645885, 4618121, 10937655, 13854363, 23090605, 41563089, 69271815, 207815445]

約数ペア:

[(1, 207815445), (3, 69271815), (5, 41563089), (9, 23090605), (15, 13854363), (19, 10937655), (45, 4618121), (57, 3645885), (89, 2335005), (95, 2187531), (171, 1215295), (267, 778335), (285, 729177), (445, 467001), (801, 259445), (855, 243059), (1335, 155667), (1691, 122895), (2731, 76095), (4005, 51889), (5073, 40965), (8193, 25365), (8455, 24579), (13655, 15219)]