64633359

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 101523456

約数和(自身を除く): 36890097

約数列:

[1, 3, 7, 21, 67, 71, 201, 213, 469, 497, 647, 1407, 1491, 1941, 4529, 4757, 13587, 14271, 33299, 43349, 45937, 99897, 130047, 137811, 303443, 321559, 910329, 964677, 3077779, 9233337, 21544453, 64633359]

約数ペア:

[(1, 64633359), (3, 21544453), (7, 9233337), (21, 3077779), (67, 964677), (71, 910329), (201, 321559), (213, 303443), (469, 137811), (497, 130047), (647, 99897), (1407, 45937), (1491, 43349), (1941, 33299), (4529, 14271), (4757, 13587)]