138898545

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2143}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 231552000

約数和(自身を除く): 92653455

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 745, 2143, 2235, 4321, 6429, 10715, 12963, 21605, 32145, 62147, 64815, 186441, 310735, 319307, 932205, 957921, 1596535, 4789605, 9259903, 27779709, 46299515, 138898545]

約数ペア:

[(1, 138898545), (3, 46299515), (5, 27779709), (15, 9259903), (29, 4789605), (87, 1596535), (145, 957921), (149, 932205), (435, 319307), (447, 310735), (745, 186441), (2143, 64815), (2235, 62147), (4321, 32145), (6429, 21605), (10715, 12963)]