2572479

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 4743200

約数和(自身を除く): 2170721

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 349, 351, 567, 819, 1047, 1053, 2443, 2457, 3141, 4537, 7329, 7371, 9423, 13611, 21987, 28269, 31759, 40833, 65961, 95277, 122499, 197883, 285831, 367497, 857493, 2572479]

約数ペア:

[(1, 2572479), (3, 857493), (7, 367497), (9, 285831), (13, 197883), (21, 122499), (27, 95277), (39, 65961), (63, 40833), (81, 31759), (91, 28269), (117, 21987), (189, 13611), (273, 9423), (349, 7371), (351, 7329), (567, 4537), (819, 3141), (1047, 2457), (1053, 2443)]