25008615

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 47302560

約数和(自身を除く): 22293945

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 641, 765, 867, 1445, 1923, 2295, 2601, 3205, 4335, 5769, 7803, 9615, 10897, 13005, 17307, 28845, 32691, 39015, 54485, 86535, 98073, 163455, 185249, 294219, 490365, 555747, 926245, 1471095, 1667241, 2778735, 5001723, 8336205, 25008615]

約数ペア:

[(1, 25008615), (3, 8336205), (5, 5001723), (9, 2778735), (15, 1667241), (17, 1471095), (27, 926245), (45, 555747), (51, 490365), (85, 294219), (135, 185249), (153, 163455), (255, 98073), (289, 86535), (459, 54485), (641, 39015), (765, 32691), (867, 28845), (1445, 17307), (1923, 13005), (2295, 10897), (2601, 9615), (3205, 7803), (4335, 5769)]