71521569

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13049}}^1$

素因数の和:13094

約数の個数: 32

約数和(自身を含む): 125280000

約数和(自身を除く): 53758431

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 13049, 39147, 91343, 117441, 274029, 352323, 378421, 822087, 1135263, 2466261, 2648947, 3405789, 7946841, 10217367, 23840523, 71521569]

約数ペア:

[(1, 71521569), (3, 23840523), (7, 10217367), (9, 7946841), (21, 3405789), (27, 2648947), (29, 2466261), (63, 1135263), (87, 822087), (189, 378421), (203, 352323), (261, 274029), (609, 117441), (783, 91343), (1827, 39147), (5481, 13049)]