153165815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 206986752

約数和(自身を除く): 53820937

約数列:

[1, 5, 11, 55, 61, 71, 305, 355, 643, 671, 781, 3215, 3355, 3905, 4331, 7073, 21655, 35365, 39223, 45653, 47641, 196115, 228265, 238205, 431453, 502183, 2157265, 2510915, 2784833, 13924165, 30633163, 153165815]

約数ペア:

[(1, 153165815), (5, 30633163), (11, 13924165), (55, 2784833), (61, 2510915), (71, 2157265), (305, 502183), (355, 431453), (643, 238205), (671, 228265), (781, 196115), (3215, 47641), (3355, 45653), (3905, 39223), (4331, 35365), (7073, 21655)]