28672425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 54

約数和(自身を含む): 54354222

約数和(自身を除く): 25681797

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 353, 361, 475, 855, 1059, 1083, 1425, 1765, 1805, 3177, 3249, 4275, 5295, 5415, 6707, 8825, 9025, 15885, 16245, 20121, 26475, 27075, 33535, 60363, 79425, 81225, 100605, 127433, 167675, 301815, 382299, 503025, 637165, 1146897, 1509075, 1911495, 3185825, 5734485, 9557475, 28672425]

約数ペア:

[(1, 28672425), (3, 9557475), (5, 5734485), (9, 3185825), (15, 1911495), (19, 1509075), (25, 1146897), (45, 637165), (57, 503025), (75, 382299), (95, 301815), (171, 167675), (225, 127433), (285, 100605), (353, 81225), (361, 79425), (475, 60363), (855, 33535), (1059, 27075), (1083, 26475), (1425, 20121), (1765, 16245), (1805, 15885), (3177, 9025), (3249, 8825), (4275, 6707), (5295, 5415)]