243972015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4472

約数の個数: 64

約数和(自身を含む): 487710720

約数和(自身を除く): 243738705

約数列:

[1, 3, 5, 7, 15, 17, 21, 31, 35, 51, 85, 93, 105, 119, 155, 217, 255, 357, 465, 527, 595, 651, 1085, 1581, 1785, 2635, 3255, 3689, 4409, 7905, 11067, 13227, 18445, 22045, 30863, 55335, 66135, 74953, 92589, 136679, 154315, 224859, 374765, 410037, 462945, 524671, 683395, 956753, 1124295, 1574013, 2050185, 2323543, 2623355, 2870259, 4783765, 6970629, 7870065, 11617715, 14351295, 16264801, 34853145, 48794403, 81324005, 243972015]

約数ペア:

[(1, 243972015), (3, 81324005), (5, 48794403), (7, 34853145), (15, 16264801), (17, 14351295), (21, 11617715), (31, 7870065), (35, 6970629), (51, 4783765), (85, 2870259), (93, 2623355), (105, 2323543), (119, 2050185), (155, 1574013), (217, 1124295), (255, 956753), (357, 683395), (465, 524671), (527, 462945), (595, 410037), (651, 374765), (1085, 224859), (1581, 154315), (1785, 136679), (2635, 92589), (3255, 74953), (3689, 66135), (4409, 55335), (7905, 30863), (11067, 22045), (13227, 18445)]