661994073

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1995

約数の個数: 64

約数和(自身を含む): 1128314880

約数和(自身を除く): 466320807

約数列:

[1, 3, 9, 13, 23, 27, 39, 43, 69, 117, 129, 207, 299, 351, 387, 559, 621, 897, 989, 1161, 1677, 1907, 2691, 2967, 5031, 5721, 8073, 8901, 12857, 15093, 17163, 24791, 26703, 38571, 43861, 51489, 74373, 82001, 115713, 131583, 223119, 246003, 347139, 394749, 570193, 669357, 738009, 1066013, 1184247, 1710579, 1886023, 2214027, 3198039, 5131737, 5658069, 9594117, 15395211, 16974207, 24518299, 28782351, 50922621, 73554897, 220664691, 661994073]

約数ペア:

[(1, 661994073), (3, 220664691), (9, 73554897), (13, 50922621), (23, 28782351), (27, 24518299), (39, 16974207), (43, 15395211), (69, 9594117), (117, 5658069), (129, 5131737), (207, 3198039), (299, 2214027), (351, 1886023), (387, 1710579), (559, 1184247), (621, 1066013), (897, 738009), (989, 669357), (1161, 570193), (1677, 394749), (1907, 347139), (2691, 246003), (2967, 223119), (5031, 131583), (5721, 115713), (8073, 82001), (8901, 74373), (12857, 51489), (15093, 43861), (17163, 38571), (24791, 26703)]