81368982

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 193190400

約数和(自身を除く): 111821418

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 142, 171, 213, 342, 426, 513, 639, 1026, 1117, 1278, 1349, 1917, 2234, 2698, 3351, 3834, 4047, 6702, 8094, 10053, 12141, 20106, 21223, 24282, 30159, 36423, 42446, 60318, 63669, 72846, 79307, 127338, 158614, 191007, 237921, 382014, 475842, 573021, 713763, 1146042, 1427526, 1506833, 2141289, 3013666, 4282578, 4520499, 9040998, 13561497, 27122994, 40684491, 81368982]

約数ペア:

[(1, 81368982), (2, 40684491), (3, 27122994), (6, 13561497), (9, 9040998), (18, 4520499), (19, 4282578), (27, 3013666), (38, 2141289), (54, 1506833), (57, 1427526), (71, 1146042), (114, 713763), (142, 573021), (171, 475842), (213, 382014), (342, 237921), (426, 191007), (513, 158614), (639, 127338), (1026, 79307), (1117, 72846), (1278, 63669), (1349, 60318), (1917, 42446), (2234, 36423), (2698, 30159), (3351, 24282), (3834, 21223), (4047, 20106), (6702, 12141), (8094, 10053)]