28068795

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 54374400

約数和(自身を除く): 26305605

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 93, 95, 135, 155, 171, 279, 285, 353, 465, 513, 589, 837, 855, 1059, 1395, 1765, 1767, 2565, 2945, 3177, 4185, 5295, 5301, 6707, 8835, 9531, 10943, 15885, 15903, 20121, 26505, 32829, 33535, 47655, 54715, 60363, 79515, 98487, 100605, 164145, 181089, 207917, 295461, 301815, 492435, 623751, 905445, 1039585, 1477305, 1871253, 3118755, 5613759, 9356265, 28068795]

約数ペア:

[(1, 28068795), (3, 9356265), (5, 5613759), (9, 3118755), (15, 1871253), (19, 1477305), (27, 1039585), (31, 905445), (45, 623751), (57, 492435), (93, 301815), (95, 295461), (135, 207917), (155, 181089), (171, 164145), (279, 100605), (285, 98487), (353, 79515), (465, 60363), (513, 54715), (589, 47655), (837, 33535), (855, 32829), (1059, 26505), (1395, 20121), (1765, 15903), (1767, 15885), (2565, 10943), (2945, 9531), (3177, 8835), (4185, 6707), (5295, 5301)]