27557595

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 54980016

約数和(自身を除く): 27422421

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 163, 195, 221, 255, 289, 489, 585, 663, 765, 815, 867, 1105, 1445, 1467, 1989, 2119, 2445, 2601, 2771, 3315, 3757, 4335, 6357, 7335, 8313, 9945, 10595, 11271, 13005, 13855, 18785, 19071, 24939, 31785, 33813, 36023, 41565, 47107, 56355, 95355, 108069, 124695, 141321, 169065, 180115, 235535, 324207, 423963, 540345, 612391, 706605, 1621035, 1837173, 2119815, 3061955, 5511519, 9185865, 27557595]

約数ペア:

[(1, 27557595), (3, 9185865), (5, 5511519), (9, 3061955), (13, 2119815), (15, 1837173), (17, 1621035), (39, 706605), (45, 612391), (51, 540345), (65, 423963), (85, 324207), (117, 235535), (153, 180115), (163, 169065), (195, 141321), (221, 124695), (255, 108069), (289, 95355), (489, 56355), (585, 47107), (663, 41565), (765, 36023), (815, 33813), (867, 31785), (1105, 24939), (1445, 19071), (1467, 18785), (1989, 13855), (2119, 13005), (2445, 11271), (2601, 10595), (2771, 9945), (3315, 8313), (3757, 7335), (4335, 6357)]