221569407

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{1301}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 324979200

約数和(自身を除く): 103409793

約数列:

[1, 3, 9, 127, 149, 381, 447, 1143, 1301, 1341, 3903, 11709, 18923, 56769, 165227, 170307, 193849, 495681, 581547, 1487043, 1744641, 24618823, 73856469, 221569407]

約数ペア:

[(1, 221569407), (3, 73856469), (9, 24618823), (127, 1744641), (149, 1487043), (381, 581547), (447, 495681), (1143, 193849), (1301, 170307), (1341, 165227), (3903, 56769), (11709, 18923)]