72737985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15013}}^1$

素因数の和:15057

約数の個数: 32

約数和(自身を含む): 129720960

約数和(自身を除く): 56982975

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 15013, 45039, 75065, 225195, 255221, 285247, 765663, 855741, 1276105, 1426235, 3828315, 4278705, 4849199, 14547597, 24245995, 72737985]

約数ペア:

[(1, 72737985), (3, 24245995), (5, 14547597), (15, 4849199), (17, 4278705), (19, 3828315), (51, 1426235), (57, 1276105), (85, 855741), (95, 765663), (255, 285247), (285, 255221), (323, 225195), (969, 75065), (1615, 45039), (4845, 15013)]