15693720123921

素因数分解:

$3^1\times 7^2\times {\mathrm{20411}}^1\times {\mathrm{5230513}}^1$

素因数の和:5250941

約数の個数: 24

約数和(自身を含む): 24342477403104

約数和(自身を除く): 8648757279183

約数列:

[1, 3, 7, 21, 49, 147, 20411, 61233, 142877, 428631, 1000139, 3000417, 5230513, 15691539, 36613591, 109840773, 256295137, 768885411, 106760000843, 320280002529, 747320005901, 2241960017703, 5231240041307, 15693720123921]

約数ペア:

[(1, 15693720123921), (3, 5231240041307), (7, 2241960017703), (21, 747320005901), (49, 320280002529), (147, 106760000843), (20411, 768885411), (61233, 256295137), (142877, 109840773), (428631, 36613591), (1000139, 15691539), (3000417, 5230513)]