72813105

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 130291200

約数和(自身を除く): 57478095

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 173, 199, 235, 423, 519, 597, 705, 865, 995, 1557, 1791, 2115, 2595, 2985, 7785, 8131, 8955, 9353, 24393, 28059, 34427, 40655, 46765, 73179, 84177, 103281, 121965, 140295, 172135, 309843, 365895, 420885, 516405, 1549215, 1618069, 4854207, 8090345, 14562621, 24271035, 72813105]

約数ペア:

[(1, 72813105), (3, 24271035), (5, 14562621), (9, 8090345), (15, 4854207), (45, 1618069), (47, 1549215), (141, 516405), (173, 420885), (199, 365895), (235, 309843), (423, 172135), (519, 140295), (597, 121965), (705, 103281), (865, 84177), (995, 73179), (1557, 46765), (1791, 40655), (2115, 34427), (2595, 28059), (2985, 24393), (7785, 9353), (8131, 8955)]