213173205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 407961600

約数和(自身を除く): 194788395

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 79, 93, 105, 155, 217, 237, 395, 465, 553, 651, 829, 1085, 1185, 1659, 2449, 2487, 2765, 3255, 4145, 5803, 7347, 8295, 12245, 12435, 17143, 17409, 25699, 29015, 36735, 51429, 65491, 77097, 85715, 87045, 128495, 179893, 196473, 257145, 327455, 385485, 458437, 539679, 899465, 982365, 1375311, 2030221, 2292185, 2698395, 6090663, 6876555, 10151105, 14211547, 30453315, 42634641, 71057735, 213173205]

約数ペア:

[(1, 213173205), (3, 71057735), (5, 42634641), (7, 30453315), (15, 14211547), (21, 10151105), (31, 6876555), (35, 6090663), (79, 2698395), (93, 2292185), (105, 2030221), (155, 1375311), (217, 982365), (237, 899465), (395, 539679), (465, 458437), (553, 385485), (651, 327455), (829, 257145), (1085, 196473), (1185, 179893), (1659, 128495), (2449, 87045), (2487, 85715), (2765, 77097), (3255, 65491), (4145, 51429), (5803, 36735), (7347, 29015), (8295, 25699), (12245, 17409), (12435, 17143)]