28383663

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 23225937

約数列:

[1, 3, 7, 11, 19, 21, 29, 33, 57, 77, 87, 133, 203, 209, 223, 231, 319, 399, 551, 609, 627, 669, 957, 1463, 1561, 1653, 2233, 2453, 3857, 4237, 4389, 4683, 6061, 6467, 6699, 7359, 11571, 12711, 17171, 18183, 19401, 29659, 42427, 45269, 46607, 51513, 71137, 88977, 122873, 127281, 135807, 139821, 213411, 326249, 368619, 497959, 860111, 978747, 1351603, 1493877, 2580333, 4054809, 9461221, 28383663]

約数ペア:

[(1, 28383663), (3, 9461221), (7, 4054809), (11, 2580333), (19, 1493877), (21, 1351603), (29, 978747), (33, 860111), (57, 497959), (77, 368619), (87, 326249), (133, 213411), (203, 139821), (209, 135807), (223, 127281), (231, 122873), (319, 88977), (399, 71137), (551, 51513), (609, 46607), (627, 45269), (669, 42427), (957, 29659), (1463, 19401), (1561, 18183), (1653, 17171), (2233, 12711), (2453, 11571), (3857, 7359), (4237, 6699), (4389, 6467), (4683, 6061)]