61801551

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 105670656

約数和(自身を除く): 43869105

約数列:

[1, 3, 7, 9, 21, 53, 63, 83, 159, 223, 249, 371, 477, 581, 669, 747, 1113, 1561, 1743, 2007, 3339, 4399, 4683, 5229, 11819, 13197, 14049, 18509, 30793, 35457, 39591, 55527, 82733, 92379, 106371, 129563, 166581, 248199, 277137, 388689, 744597, 980977, 1166067, 2942931, 6866839, 8828793, 20600517, 61801551]

約数ペア:

[(1, 61801551), (3, 20600517), (7, 8828793), (9, 6866839), (21, 2942931), (53, 1166067), (63, 980977), (83, 744597), (159, 388689), (223, 277137), (249, 248199), (371, 166581), (477, 129563), (581, 106371), (669, 92379), (747, 82733), (1113, 55527), (1561, 39591), (1743, 35457), (2007, 30793), (3339, 18509), (4399, 14049), (4683, 13197), (5229, 11819)]