15665939865

素因数分解:

$3^4\times 5^1\times {\mathrm{3989}}^1\times {\mathrm{9697}}^1$

素因数の和:13703

約数の個数: 40

約数和(自身を含む): 28092584520

約数和(自身を除く): 12426644655

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3989, 9697, 11967, 19945, 29091, 35901, 48485, 59835, 87273, 107703, 145455, 179505, 261819, 323109, 436365, 538515, 785457, 1309095, 1615545, 3927285, 38681333, 116043999, 193406665, 348131997, 580219995, 1044395991, 1740659985, 3133187973, 5221979955, 15665939865]

約数ペア:

[(1, 15665939865), (3, 5221979955), (5, 3133187973), (9, 1740659985), (15, 1044395991), (27, 580219995), (45, 348131997), (81, 193406665), (135, 116043999), (405, 38681333), (3989, 3927285), (9697, 1615545), (11967, 1309095), (19945, 785457), (29091, 538515), (35901, 436365), (48485, 323109), (59835, 261819), (87273, 179505), (107703, 145455)]