25219089

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 44262400

約数和(自身を除く): 19043311

約数列:

[1, 3, 7, 9, 21, 31, 37, 63, 93, 111, 217, 259, 279, 333, 349, 651, 777, 1047, 1147, 1953, 2331, 2443, 3141, 3441, 7329, 8029, 10323, 10819, 12913, 21987, 24087, 32457, 38739, 72261, 75733, 90391, 97371, 116217, 227199, 271173, 400303, 681597, 813519, 1200909, 2802121, 3602727, 8406363, 25219089]

約数ペア:

[(1, 25219089), (3, 8406363), (7, 3602727), (9, 2802121), (21, 1200909), (31, 813519), (37, 681597), (63, 400303), (93, 271173), (111, 227199), (217, 116217), (259, 97371), (279, 90391), (333, 75733), (349, 72261), (651, 38739), (777, 32457), (1047, 24087), (1147, 21987), (1953, 12913), (2331, 10819), (2443, 10323), (3141, 8029), (3441, 7329)]