68443785

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9941}}^1$

素因数の和:9975

約数の個数: 40

約数和(自身を含む): 129922056

約数和(自身を除く): 61478271

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 9941, 29823, 49705, 89469, 149115, 168997, 268407, 447345, 506991, 805221, 844985, 1342035, 1520973, 2534955, 4026105, 4562919, 7604865, 13688757, 22814595, 68443785]

約数ペア:

[(1, 68443785), (3, 22814595), (5, 13688757), (9, 7604865), (15, 4562919), (17, 4026105), (27, 2534955), (45, 1520973), (51, 1342035), (81, 844985), (85, 805221), (135, 506991), (153, 447345), (255, 268407), (405, 168997), (459, 149115), (765, 89469), (1377, 49705), (2295, 29823), (6885, 9941)]