28991025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 60353280

約数和(自身を除く): 31362255

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 105, 175, 225, 233, 237, 315, 395, 525, 553, 699, 711, 1165, 1185, 1575, 1631, 1659, 1975, 2097, 2765, 3495, 3555, 4893, 4977, 5825, 5925, 8155, 8295, 10485, 13825, 14679, 17475, 17775, 18407, 24465, 24885, 40775, 41475, 52425, 55221, 73395, 92035, 122325, 124425, 128849, 165663, 276105, 366975, 386547, 460175, 644245, 828315, 1159641, 1380525, 1932735, 3221225, 4141575, 5798205, 9663675, 28991025]

約数ペア:

[(1, 28991025), (3, 9663675), (5, 5798205), (7, 4141575), (9, 3221225), (15, 1932735), (21, 1380525), (25, 1159641), (35, 828315), (45, 644245), (63, 460175), (75, 386547), (79, 366975), (105, 276105), (175, 165663), (225, 128849), (233, 124425), (237, 122325), (315, 92035), (395, 73395), (525, 55221), (553, 52425), (699, 41475), (711, 40775), (1165, 24885), (1185, 24465), (1575, 18407), (1631, 17775), (1659, 17475), (1975, 14679), (2097, 13825), (2765, 10485), (3495, 8295), (3555, 8155), (4893, 5925), (4977, 5825)]