158673921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2861}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 256435200

約数和(自身を除く): 97761279

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 973, 2641, 2861, 2919, 7923, 8583, 18487, 20027, 54359, 55461, 60081, 163077, 380513, 397679, 1141539, 1193037, 2783753, 7555901, 8351259, 22667703, 52891307, 158673921]

約数ペア:

[(1, 158673921), (3, 52891307), (7, 22667703), (19, 8351259), (21, 7555901), (57, 2783753), (133, 1193037), (139, 1141539), (399, 397679), (417, 380513), (973, 163077), (2641, 60081), (2861, 55461), (2919, 54359), (7923, 20027), (8583, 18487)]