25609203

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 39970656

約数和(自身を除く): 14361453

約数列:

[1, 3, 9, 27, 61, 71, 73, 81, 183, 213, 219, 549, 639, 657, 1647, 1917, 1971, 4331, 4453, 4941, 5183, 5751, 5913, 12993, 13359, 15549, 38979, 40077, 46647, 116937, 120231, 139941, 316163, 350811, 360693, 419823, 948489, 2845467, 8536401, 25609203]

約数ペア:

[(1, 25609203), (3, 8536401), (9, 2845467), (27, 948489), (61, 419823), (71, 360693), (73, 350811), (81, 316163), (183, 139941), (213, 120231), (219, 116937), (549, 46647), (639, 40077), (657, 38979), (1647, 15549), (1917, 13359), (1971, 12993), (4331, 5913), (4453, 5751), (4941, 5183)]