25851861

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 54

約数和(自身を含む): 45620406

約数和(自身を除く): 19768545

約数列:

[1, 3, 7, 9, 21, 31, 49, 61, 63, 93, 147, 183, 217, 279, 427, 441, 549, 651, 961, 1281, 1519, 1891, 1953, 2883, 2989, 3843, 4557, 5673, 6727, 8649, 8967, 13237, 13671, 17019, 20181, 26901, 39711, 47089, 58621, 60543, 92659, 119133, 141267, 175863, 277977, 410347, 423801, 527589, 833931, 1231041, 2872429, 3693123, 8617287, 25851861]

約数ペア:

[(1, 25851861), (3, 8617287), (7, 3693123), (9, 2872429), (21, 1231041), (31, 833931), (49, 527589), (61, 423801), (63, 410347), (93, 277977), (147, 175863), (183, 141267), (217, 119133), (279, 92659), (427, 60543), (441, 58621), (549, 47089), (651, 39711), (961, 26901), (1281, 20181), (1519, 17019), (1891, 13671), (1953, 13237), (2883, 8967), (2989, 8649), (3843, 6727), (4557, 5673)]