81644355

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1759

約数の個数: 56

約数和(自身を含む): 158283888

約数和(自身を除く): 76639533

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 729, 1053, 1215, 1723, 1755, 3159, 3645, 5169, 5265, 8615, 9477, 15507, 15795, 22399, 25845, 46521, 47385, 67197, 77535, 111995, 139563, 201591, 232605, 335985, 418689, 604773, 697815, 1007955, 1256067, 1814319, 2093445, 3023865, 5442957, 6280335, 9071595, 16328871, 27214785, 81644355]

約数ペア:

[(1, 81644355), (3, 27214785), (5, 16328871), (9, 9071595), (13, 6280335), (15, 5442957), (27, 3023865), (39, 2093445), (45, 1814319), (65, 1256067), (81, 1007955), (117, 697815), (135, 604773), (195, 418689), (243, 335985), (351, 232605), (405, 201591), (585, 139563), (729, 111995), (1053, 77535), (1215, 67197), (1723, 47385), (1755, 46521), (3159, 25845), (3645, 22399), (5169, 15795), (5265, 15507), (8615, 9477)]