25137063

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 43743232

約数和(自身を除く): 18606169

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 183, 211, 217, 279, 427, 549, 633, 651, 1281, 1477, 1891, 1899, 1953, 3843, 4431, 5673, 6541, 12871, 13237, 13293, 17019, 19623, 38613, 39711, 45787, 58869, 90097, 115839, 119133, 137361, 270291, 399001, 412083, 810873, 1197003, 2793007, 3591009, 8379021, 25137063]

約数ペア:

[(1, 25137063), (3, 8379021), (7, 3591009), (9, 2793007), (21, 1197003), (31, 810873), (61, 412083), (63, 399001), (93, 270291), (183, 137361), (211, 119133), (217, 115839), (279, 90097), (427, 58869), (549, 45787), (633, 39711), (651, 38613), (1281, 19623), (1477, 17019), (1891, 13293), (1899, 13237), (1953, 12871), (3843, 6541), (4431, 5673)]