25181541

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 48016800

約数和(自身を除く): 22835259

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 49, 63, 77, 87, 99, 147, 179, 203, 231, 261, 319, 441, 537, 539, 609, 693, 957, 1253, 1421, 1611, 1617, 1827, 1969, 2233, 2871, 3759, 4263, 4851, 5191, 5907, 6699, 8771, 11277, 12789, 13783, 15573, 15631, 17721, 20097, 26313, 36337, 41349, 46719, 46893, 57101, 78939, 96481, 109011, 124047, 140679, 171303, 254359, 289443, 327033, 399707, 513909, 763077, 868329, 1199121, 2289231, 2797949, 3597363, 8393847, 25181541]

約数ペア:

[(1, 25181541), (3, 8393847), (7, 3597363), (9, 2797949), (11, 2289231), (21, 1199121), (29, 868329), (33, 763077), (49, 513909), (63, 399707), (77, 327033), (87, 289443), (99, 254359), (147, 171303), (179, 140679), (203, 124047), (231, 109011), (261, 96481), (319, 78939), (441, 57101), (537, 46893), (539, 46719), (609, 41349), (693, 36337), (957, 26313), (1253, 20097), (1421, 17721), (1611, 15631), (1617, 15573), (1827, 13783), (1969, 12789), (2233, 11277), (2871, 8771), (3759, 6699), (4263, 5907), (4851, 5191)]