27811355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 39711168

約数和(自身を除く): 11899813

約数列:

[1, 5, 11, 13, 55, 65, 97, 143, 401, 485, 715, 1067, 1261, 2005, 4411, 5213, 5335, 6305, 13871, 22055, 26065, 38897, 57343, 69355, 194485, 286715, 427867, 505661, 2139335, 2528305, 5562271, 27811355]

約数ペア:

[(1, 27811355), (5, 5562271), (11, 2528305), (13, 2139335), (55, 505661), (65, 427867), (97, 286715), (143, 194485), (401, 69355), (485, 57343), (715, 38897), (1067, 26065), (1261, 22055), (2005, 13871), (4411, 6305), (5213, 5335)]