388733997

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{21211}}^1$

素因数の和:21404

約数の個数: 16

約数和(自身を含む): 534542400

約数和(自身を除く): 145808403

約数列:

[1, 3, 41, 123, 149, 447, 6109, 18327, 21211, 63633, 869651, 2608953, 3160439, 9481317, 129577999, 388733997]

約数ペア:

[(1, 388733997), (3, 129577999), (41, 9481317), (123, 3160439), (149, 2608953), (447, 869651), (6109, 63633), (18327, 21211)]