64980927

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 105496320

約数和(自身を除く): 40515393

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 331, 661, 993, 1983, 2979, 3641, 5949, 7271, 8937, 10923, 17847, 21813, 32769, 65439, 98307, 196317, 218791, 656373, 1969119, 2406701, 5907357, 7220103, 21660309, 64980927]

約数ペア:

[(1, 64980927), (3, 21660309), (9, 7220103), (11, 5907357), (27, 2406701), (33, 1969119), (99, 656373), (297, 218791), (331, 196317), (661, 98307), (993, 65439), (1983, 32769), (2979, 21813), (3641, 17847), (5949, 10923), (7271, 8937)]