15639393

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 26357760

約数和(自身を除く): 10718367

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 857, 869, 1659, 2571, 2607, 5999, 6083, 9427, 17997, 18249, 28281, 65989, 67703, 197967, 203109, 473921, 744733, 1421763, 2234199, 5213131, 15639393]

約数ペア:

[(1, 15639393), (3, 5213131), (7, 2234199), (11, 1421763), (21, 744733), (33, 473921), (77, 203109), (79, 197967), (231, 67703), (237, 65989), (553, 28281), (857, 18249), (869, 17997), (1659, 9427), (2571, 6083), (2607, 5999)]