70405551

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 111257280

約数和(自身を除く): 40851729

約数列:

[1, 3, 9, 17, 27, 51, 153, 157, 459, 471, 977, 1413, 2669, 2931, 4239, 8007, 8793, 16609, 24021, 26379, 49827, 72063, 149481, 153389, 448443, 460167, 1380501, 2607613, 4141503, 7822839, 23468517, 70405551]

約数ペア:

[(1, 70405551), (3, 23468517), (9, 7822839), (17, 4141503), (27, 2607613), (51, 1380501), (153, 460167), (157, 448443), (459, 153389), (471, 149481), (977, 72063), (1413, 49827), (2669, 26379), (2931, 24021), (4239, 16609), (8007, 8793)]