25702497

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 41558400

約数和(自身を除く): 15855903

約数列:

[1, 3, 9, 19, 29, 57, 71, 73, 87, 171, 213, 219, 261, 551, 639, 657, 1349, 1387, 1653, 2059, 2117, 4047, 4161, 4959, 5183, 6177, 6351, 12141, 12483, 15549, 18531, 19053, 39121, 40223, 46647, 98477, 117363, 120669, 150307, 295431, 352089, 362007, 450921, 886293, 1352763, 2855833, 8567499, 25702497]

約数ペア:

[(1, 25702497), (3, 8567499), (9, 2855833), (19, 1352763), (29, 886293), (57, 450921), (71, 362007), (73, 352089), (87, 295431), (171, 150307), (213, 120669), (219, 117363), (261, 98477), (551, 46647), (639, 40223), (657, 39121), (1349, 19053), (1387, 18531), (1653, 15549), (2059, 12483), (2117, 12141), (4047, 6351), (4161, 6177), (4959, 5183)]