81068535

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 150789600

約数和(自身を除く): 69721065

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 477, 795, 855, 1007, 1789, 2385, 3021, 5035, 5367, 8945, 9063, 15105, 16101, 26835, 33991, 45315, 80505, 94817, 101973, 169955, 284451, 305919, 474085, 509865, 853353, 1422255, 1529595, 1801523, 4266765, 5404569, 9007615, 16213707, 27022845, 81068535]

約数ペア:

[(1, 81068535), (3, 27022845), (5, 16213707), (9, 9007615), (15, 5404569), (19, 4266765), (45, 1801523), (53, 1529595), (57, 1422255), (95, 853353), (159, 509865), (171, 474085), (265, 305919), (285, 284451), (477, 169955), (795, 101973), (855, 94817), (1007, 80505), (1789, 45315), (2385, 33991), (3021, 26835), (5035, 16101), (5367, 15105), (8945, 9063)]