25204491

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 40138488

約数和(自身を除く): 14933997

約数列:

[1, 3, 9, 13, 39, 73, 117, 169, 219, 227, 507, 657, 681, 949, 1521, 2043, 2847, 2951, 8541, 8853, 12337, 16571, 26559, 37011, 38363, 49713, 111033, 115089, 149139, 215423, 345267, 646269, 1938807, 2800499, 8401497, 25204491]

約数ペア:

[(1, 25204491), (3, 8401497), (9, 2800499), (13, 1938807), (39, 646269), (73, 345267), (117, 215423), (169, 149139), (219, 115089), (227, 111033), (507, 49713), (657, 38363), (681, 37011), (949, 26559), (1521, 16571), (2043, 12337), (2847, 8853), (2951, 8541)]