81954558

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 216691200

約数和(自身を除く): 134736642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 49, 54, 63, 94, 98, 126, 141, 147, 189, 282, 294, 329, 378, 423, 441, 658, 659, 846, 882, 987, 1269, 1318, 1323, 1974, 1977, 2303, 2538, 2646, 2961, 3954, 4606, 4613, 5922, 5931, 6909, 8883, 9226, 11862, 13818, 13839, 17766, 17793, 20727, 27678, 30973, 32291, 35586, 41454, 41517, 61946, 62181, 64582, 83034, 92919, 96873, 124362, 124551, 185838, 193746, 216811, 249102, 278757, 290619, 433622, 557514, 581238, 650433, 836271, 871857, 1300866, 1517677, 1672542, 1743714, 1951299, 3035354, 3902598, 4553031, 5853897, 9106062, 11707794, 13659093, 27318186, 40977279, 81954558]

約数ペア:

[(1, 81954558), (2, 40977279), (3, 27318186), (6, 13659093), (7, 11707794), (9, 9106062), (14, 5853897), (18, 4553031), (21, 3902598), (27, 3035354), (42, 1951299), (47, 1743714), (49, 1672542), (54, 1517677), (63, 1300866), (94, 871857), (98, 836271), (126, 650433), (141, 581238), (147, 557514), (189, 433622), (282, 290619), (294, 278757), (329, 249102), (378, 216811), (423, 193746), (441, 185838), (658, 124551), (659, 124362), (846, 96873), (882, 92919), (987, 83034), (1269, 64582), (1318, 62181), (1323, 61946), (1974, 41517), (1977, 41454), (2303, 35586), (2538, 32291), (2646, 30973), (2961, 27678), (3954, 20727), (4606, 17793), (4613, 17766), (5922, 13839), (5931, 13818), (6909, 11862), (8883, 9226)]