64955457

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21937}}^1$

素因数の和:21997

約数の個数: 24

約数和(自身を含む): 109514496

約数和(自身を除く): 44559039

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 21937, 65811, 153559, 197433, 460677, 1031039, 1382031, 3093117, 7217273, 9279351, 21651819, 64955457]

約数ペア:

[(1, 64955457), (3, 21651819), (7, 9279351), (9, 7217273), (21, 3093117), (47, 1382031), (63, 1031039), (141, 460677), (329, 197433), (423, 153559), (987, 65811), (2961, 21937)]