7219719

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 11728640

約数和(自身を除く): 4508921

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 307, 351, 603, 871, 921, 1809, 2613, 2763, 3991, 7839, 8289, 11973, 20569, 23517, 35919, 61707, 107757, 185121, 267397, 555363, 802191, 2406573, 7219719]

約数ペア:

[(1, 7219719), (3, 2406573), (9, 802191), (13, 555363), (27, 267397), (39, 185121), (67, 107757), (117, 61707), (201, 35919), (307, 23517), (351, 20569), (603, 11973), (871, 8289), (921, 7839), (1809, 3991), (2613, 2763)]