25919505

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 47623680

約数和(自身を除く): 21704175

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 79, 115, 207, 237, 317, 345, 395, 711, 951, 1035, 1185, 1585, 1817, 2853, 3555, 4755, 5451, 7291, 9085, 14265, 16353, 21873, 25043, 27255, 36455, 65619, 75129, 81765, 109365, 125215, 225387, 328095, 375645, 575989, 1126935, 1727967, 2879945, 5183901, 8639835, 25919505]

約数ペア:

[(1, 25919505), (3, 8639835), (5, 5183901), (9, 2879945), (15, 1727967), (23, 1126935), (45, 575989), (69, 375645), (79, 328095), (115, 225387), (207, 125215), (237, 109365), (317, 81765), (345, 75129), (395, 65619), (711, 36455), (951, 27255), (1035, 25043), (1185, 21873), (1585, 16353), (1817, 14265), (2853, 9085), (3555, 7291), (4755, 5451)]