25558911

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 45527040

約数和(自身を除く): 19968129

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 569, 651, 713, 1449, 1707, 1953, 2139, 3983, 4991, 5121, 6417, 11949, 13087, 14973, 17639, 35847, 39261, 44919, 52917, 91609, 117783, 123473, 158751, 274827, 370419, 405697, 824481, 1111257, 1217091, 2839879, 3651273, 8519637, 25558911]

約数ペア:

[(1, 25558911), (3, 8519637), (7, 3651273), (9, 2839879), (21, 1217091), (23, 1111257), (31, 824481), (63, 405697), (69, 370419), (93, 274827), (161, 158751), (207, 123473), (217, 117783), (279, 91609), (483, 52917), (569, 44919), (651, 39261), (713, 35847), (1449, 17639), (1707, 14973), (1953, 13087), (2139, 11949), (3983, 6417), (4991, 5121)]