661545599

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 839100384

約数和(自身を除く): 177554785

約数列:

[1, 11, 13, 17, 121, 143, 169, 173, 187, 221, 1331, 1573, 1859, 1903, 2057, 2249, 2431, 2873, 2941, 17303, 20449, 20933, 22627, 24739, 26741, 29237, 31603, 32351, 38233, 224939, 230263, 272129, 294151, 321607, 347633, 355861, 420563, 497029, 2993419, 3537677, 3823963, 3914471, 4626193, 5467319, 38914447, 50888123, 60140509, 661545599]

約数ペア:

[(1, 661545599), (11, 60140509), (13, 50888123), (17, 38914447), (121, 5467319), (143, 4626193), (169, 3914471), (173, 3823963), (187, 3537677), (221, 2993419), (1331, 497029), (1573, 420563), (1859, 355861), (1903, 347633), (2057, 321607), (2249, 294151), (2431, 272129), (2873, 230263), (2941, 224939), (17303, 38233), (20449, 32351), (20933, 31603), (22627, 29237), (24739, 26741)]