31120965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2393}}^1$

素因数の和:2438

約数の個数: 36

約数和(自身を含む): 57326724

約数和(自身を除く): 26205759

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2393, 2601, 4335, 7179, 11965, 13005, 21537, 35895, 40681, 107685, 122043, 203405, 366129, 610215, 691577, 1830645, 2074731, 3457885, 6224193, 10373655, 31120965]

約数ペア:

[(1, 31120965), (3, 10373655), (5, 6224193), (9, 3457885), (15, 2074731), (17, 1830645), (45, 691577), (51, 610215), (85, 366129), (153, 203405), (255, 122043), (289, 107685), (765, 40681), (867, 35895), (1445, 21537), (2393, 13005), (2601, 11965), (4335, 7179)]