65998191

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 40446609

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 659, 753, 1757, 1977, 4613, 4769, 5271, 12521, 13839, 14307, 33383, 37563, 87647, 100149, 165409, 262941, 496227, 1157863, 3142771, 3473589, 9428313, 21999397, 65998191]

約数ペア:

[(1, 65998191), (3, 21999397), (7, 9428313), (19, 3473589), (21, 3142771), (57, 1157863), (133, 496227), (251, 262941), (399, 165409), (659, 100149), (753, 87647), (1757, 37563), (1977, 33383), (4613, 14307), (4769, 13839), (5271, 12521)]