13560981

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 21946368

約数和(自身を除く): 8385387

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 563, 651, 777, 1147, 1689, 3441, 3941, 8029, 11823, 17453, 20831, 24087, 52359, 62493, 122171, 145817, 366513, 437451, 645761, 1937283, 4520327, 13560981]

約数ペア:

[(1, 13560981), (3, 4520327), (7, 1937283), (21, 645761), (31, 437451), (37, 366513), (93, 145817), (111, 122171), (217, 62493), (259, 52359), (563, 24087), (651, 20831), (777, 17453), (1147, 11823), (1689, 8029), (3441, 3941)]