12480975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 25592112

約数和(自身を除く): 13111137

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 251, 255, 325, 425, 585, 663, 753, 765, 975, 1105, 1255, 1275, 1989, 2259, 2925, 3263, 3315, 3765, 3825, 4267, 5525, 6275, 9789, 9945, 11295, 12801, 16315, 16575, 18825, 21335, 29367, 38403, 48945, 49725, 55471, 56475, 64005, 81575, 106675, 146835, 166413, 192015, 244725, 277355, 320025, 499239, 734175, 832065, 960075, 1386775, 2496195, 4160325, 12480975]

約数ペア:

[(1, 12480975), (3, 4160325), (5, 2496195), (9, 1386775), (13, 960075), (15, 832065), (17, 734175), (25, 499239), (39, 320025), (45, 277355), (51, 244725), (65, 192015), (75, 166413), (85, 146835), (117, 106675), (153, 81575), (195, 64005), (221, 56475), (225, 55471), (251, 49725), (255, 48945), (325, 38403), (425, 29367), (585, 21335), (663, 18825), (753, 16575), (765, 16315), (975, 12801), (1105, 11295), (1255, 9945), (1275, 9789), (1989, 6275), (2259, 5525), (2925, 4267), (3263, 3825), (3315, 3765)]