64714209

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2749}}^1$

素因数の和:2837

約数の個数: 32

約数和(自身を含む): 105600000

約数和(自身を除く): 40885791

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 1121, 1239, 2749, 3363, 7847, 8247, 19243, 23541, 52231, 57729, 156693, 162191, 365617, 486573, 1096851, 1135337, 3081629, 3406011, 9244887, 21571403, 64714209]

約数ペア:

[(1, 64714209), (3, 21571403), (7, 9244887), (19, 3406011), (21, 3081629), (57, 1135337), (59, 1096851), (133, 486573), (177, 365617), (399, 162191), (413, 156693), (1121, 57729), (1239, 52231), (2749, 23541), (3363, 19243), (7847, 8247)]