663669909

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{42307}}^1$

素因数の和:42406

約数の個数: 32

約数和(自身を含む): 1137239040

約数和(自身を除く): 473569131

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1743, 2241, 5229, 15687, 42307, 126921, 296149, 380763, 888447, 1142289, 2665341, 3511481, 7996023, 10534443, 24580367, 31603329, 73741101, 94809987, 221223303, 663669909]

約数ペア:

[(1, 663669909), (3, 221223303), (7, 94809987), (9, 73741101), (21, 31603329), (27, 24580367), (63, 10534443), (83, 7996023), (189, 3511481), (249, 2665341), (581, 1142289), (747, 888447), (1743, 380763), (2241, 296149), (5229, 126921), (15687, 42307)]