196350021

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4139}}^1$

素因数の和:4406

約数の個数: 32

約数和(自身を含む): 333849600

約数和(自身を除く): 137499579

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 753, 1757, 2259, 4139, 5271, 6777, 12417, 15813, 28973, 37251, 47439, 86919, 111753, 260757, 782271, 1038889, 3116667, 7272223, 9350001, 21816669, 28050003, 65450007, 196350021]

約数ペア:

[(1, 196350021), (3, 65450007), (7, 28050003), (9, 21816669), (21, 9350001), (27, 7272223), (63, 3116667), (189, 1038889), (251, 782271), (753, 260757), (1757, 111753), (2259, 86919), (4139, 47439), (5271, 37251), (6777, 28973), (12417, 15813)]