67777215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 127360512

約数和(自身を除く): 59583297

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 73, 85, 165, 187, 219, 255, 331, 365, 561, 803, 935, 993, 1095, 1241, 1655, 2409, 2805, 3641, 3723, 4015, 4965, 5627, 6205, 10923, 12045, 13651, 16881, 18205, 18615, 24163, 28135, 40953, 54615, 61897, 68255, 72489, 84405, 120815, 185691, 204765, 265793, 309485, 362445, 410771, 797379, 928455, 1232313, 1328965, 2053855, 3986895, 4518481, 6161565, 13555443, 22592405, 67777215]

約数ペア:

[(1, 67777215), (3, 22592405), (5, 13555443), (11, 6161565), (15, 4518481), (17, 3986895), (33, 2053855), (51, 1328965), (55, 1232313), (73, 928455), (85, 797379), (165, 410771), (187, 362445), (219, 309485), (255, 265793), (331, 204765), (365, 185691), (561, 120815), (803, 84405), (935, 72489), (993, 68255), (1095, 61897), (1241, 54615), (1655, 40953), (2409, 28135), (2805, 24163), (3641, 18615), (3723, 18205), (4015, 16881), (4965, 13651), (5627, 12045), (6205, 10923)]