215516145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{58169}}^1$

素因数の和:58209

約数の個数: 32

約数和(自身を含む): 390902400

約数和(自身を除く): 175386255

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 58169, 174507, 290845, 756197, 872535, 1105211, 2268591, 3315633, 3780985, 5526055, 11342955, 14367743, 16578165, 43103229, 71838715, 215516145]

約数ペア:

[(1, 215516145), (3, 71838715), (5, 43103229), (13, 16578165), (15, 14367743), (19, 11342955), (39, 5526055), (57, 3780985), (65, 3315633), (95, 2268591), (195, 1105211), (247, 872535), (285, 756197), (741, 290845), (1235, 174507), (3705, 58169)]