15384915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:78

約数の個数: 108

約数和(自身を含む): 35056944

約数和(自身を除く): 19672029

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 51, 63, 65, 85, 91, 105, 117, 119, 153, 169, 195, 221, 255, 273, 289, 315, 357, 455, 507, 585, 595, 663, 765, 819, 845, 867, 1071, 1105, 1183, 1365, 1445, 1521, 1547, 1785, 1989, 2023, 2535, 2601, 2873, 3315, 3549, 3757, 4095, 4335, 4641, 5355, 5915, 6069, 7605, 7735, 8619, 9945, 10115, 10647, 11271, 13005, 13923, 14365, 17745, 18207, 18785, 20111, 23205, 25857, 26299, 30345, 33813, 43095, 48841, 53235, 56355, 60333, 69615, 78897, 91035, 100555, 129285, 131495, 146523, 169065, 180999, 236691, 244205, 301665, 341887, 394485, 439569, 732615, 904995, 1025661, 1183455, 1709435, 2197845, 3076983, 5128305, 15384915]

約数ペア:

[(1, 15384915), (3, 5128305), (5, 3076983), (7, 2197845), (9, 1709435), (13, 1183455), (15, 1025661), (17, 904995), (21, 732615), (35, 439569), (39, 394485), (45, 341887), (51, 301665), (63, 244205), (65, 236691), (85, 180999), (91, 169065), (105, 146523), (117, 131495), (119, 129285), (153, 100555), (169, 91035), (195, 78897), (221, 69615), (255, 60333), (273, 56355), (289, 53235), (315, 48841), (357, 43095), (455, 33813), (507, 30345), (585, 26299), (595, 25857), (663, 23205), (765, 20111), (819, 18785), (845, 18207), (867, 17745), (1071, 14365), (1105, 13923), (1183, 13005), (1365, 11271), (1445, 10647), (1521, 10115), (1547, 9945), (1785, 8619), (1989, 7735), (2023, 7605), (2535, 6069), (2601, 5915), (2873, 5355), (3315, 4641), (3549, 4335), (3757, 4095)]