7621257

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 12533760

約数和(自身を除く): 4912503

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 509, 651, 713, 1527, 2139, 3563, 4991, 10689, 11707, 14973, 15779, 35121, 47337, 81949, 110453, 245847, 331359, 362917, 1088751, 2540419, 7621257]

約数ペア:

[(1, 7621257), (3, 2540419), (7, 1088751), (21, 362917), (23, 331359), (31, 245847), (69, 110453), (93, 81949), (161, 47337), (217, 35121), (483, 15779), (509, 14973), (651, 11707), (713, 10689), (1527, 4991), (2139, 3563)]