428837787

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1381}}^1$

素因数の和:1481

約数の個数: 64

約数和(自身を含む): 764190720

約数和(自身を除く): 335352933

約数列:

[1, 3, 7, 9, 21, 27, 31, 53, 63, 93, 159, 189, 217, 279, 371, 477, 651, 837, 1113, 1381, 1431, 1643, 1953, 3339, 4143, 4929, 5859, 9667, 10017, 11501, 12429, 14787, 29001, 34503, 37287, 42811, 44361, 73193, 87003, 103509, 128433, 219579, 261009, 299677, 310527, 385299, 512351, 658737, 899031, 1155897, 1537053, 1976211, 2268983, 2697093, 4611159, 6806949, 8091279, 13833477, 15882881, 20420847, 47648643, 61262541, 142945929, 428837787]

約数ペア:

[(1, 428837787), (3, 142945929), (7, 61262541), (9, 47648643), (21, 20420847), (27, 15882881), (31, 13833477), (53, 8091279), (63, 6806949), (93, 4611159), (159, 2697093), (189, 2268983), (217, 1976211), (279, 1537053), (371, 1155897), (477, 899031), (651, 658737), (837, 512351), (1113, 385299), (1381, 310527), (1431, 299677), (1643, 261009), (1953, 219579), (3339, 128433), (4143, 103509), (4929, 87003), (5859, 73193), (9667, 44361), (10017, 42811), (11501, 37287), (12429, 34503), (14787, 29001)]