781170045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{31891}}^1$

素因数の和:31993

約数の個数: 32

約数和(自身を含む): 1322625024

約数和(自身を除く): 541454979

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 24495, 31891, 95673, 159455, 478365, 733493, 2200479, 2264261, 3667465, 6792783, 11002395, 11321305, 33963915, 52078003, 156234009, 260390015, 781170045]

約数ペア:

[(1, 781170045), (3, 260390015), (5, 156234009), (15, 52078003), (23, 33963915), (69, 11321305), (71, 11002395), (115, 6792783), (213, 3667465), (345, 2264261), (355, 2200479), (1065, 733493), (1633, 478365), (4899, 159455), (8165, 95673), (24495, 31891)]