81925551

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4421}}^1$

素因数の和:4527

約数の個数: 24

約数和(自身を含む): 124169760

約数和(自身を除く): 42244209

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 2059, 4421, 6177, 13263, 18531, 39789, 128209, 313891, 384627, 941673, 1153881, 2825019, 9102839, 27308517, 81925551]

約数ペア:

[(1, 81925551), (3, 27308517), (9, 9102839), (29, 2825019), (71, 1153881), (87, 941673), (213, 384627), (261, 313891), (639, 128209), (2059, 39789), (4421, 18531), (6177, 13263)]