28858305

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 26437695

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 79, 105, 147, 213, 237, 245, 343, 355, 395, 497, 553, 735, 1029, 1065, 1185, 1491, 1659, 1715, 2485, 2765, 3479, 3871, 5145, 5609, 7455, 8295, 10437, 11613, 16827, 17395, 19355, 24353, 27097, 28045, 39263, 52185, 58065, 73059, 81291, 84135, 117789, 121765, 135485, 196315, 274841, 365295, 406455, 588945, 824523, 1374205, 1923887, 4122615, 5771661, 9619435, 28858305]

約数ペア:

[(1, 28858305), (3, 9619435), (5, 5771661), (7, 4122615), (15, 1923887), (21, 1374205), (35, 824523), (49, 588945), (71, 406455), (79, 365295), (105, 274841), (147, 196315), (213, 135485), (237, 121765), (245, 117789), (343, 84135), (355, 81291), (395, 73059), (497, 58065), (553, 52185), (735, 39263), (1029, 28045), (1065, 27097), (1185, 24353), (1491, 19355), (1659, 17395), (1715, 16827), (2485, 11613), (2765, 10437), (3479, 8295), (3871, 7455), (5145, 5609)]