990744237

素因数分解:

$3^3\times 7^1\times {\mathrm{1697}}^1\times {\mathrm{3089}}^1$

素因数の和:4802

約数の個数: 32

約数和(自身を含む): 1678982400

約数和(自身を除く): 688238163

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1697, 3089, 5091, 9267, 11879, 15273, 21623, 27801, 35637, 45819, 64869, 83403, 106911, 194607, 320733, 583821, 5242033, 15726099, 36694231, 47178297, 110082693, 141534891, 330248079, 990744237]

約数ペア:

[(1, 990744237), (3, 330248079), (7, 141534891), (9, 110082693), (21, 47178297), (27, 36694231), (63, 15726099), (189, 5242033), (1697, 583821), (3089, 320733), (5091, 194607), (9267, 106911), (11879, 83403), (15273, 64869), (21623, 45819), (27801, 35637)]