641214

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{727}}^1$

素因数の和:749

約数の個数: 36

約数和(自身を含む): 1618344

約数和(自身を除く): 977130

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 727, 882, 1454, 2181, 4362, 5089, 6543, 10178, 13086, 15267, 30534, 35623, 45801, 71246, 91602, 106869, 213738, 320607, 641214]

約数ペア:

[(1, 641214), (2, 320607), (3, 213738), (6, 106869), (7, 91602), (9, 71246), (14, 45801), (18, 35623), (21, 30534), (42, 15267), (49, 13086), (63, 10178), (98, 6543), (126, 5089), (147, 4362), (294, 2181), (441, 1454), (727, 882)]