271781409

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 388730880

約数和(自身を除く): 116949471

約数列:

[1, 3, 23, 69, 73, 79, 219, 237, 683, 1679, 1817, 2049, 5037, 5451, 5767, 15709, 17301, 47127, 49859, 53957, 132641, 149577, 161871, 397923, 1146757, 1241011, 3440271, 3723033, 3938861, 11816583, 90593803, 271781409]

約数ペア:

[(1, 271781409), (3, 90593803), (23, 11816583), (69, 3938861), (73, 3723033), (79, 3440271), (219, 1241011), (237, 1146757), (683, 397923), (1679, 161871), (1817, 149577), (2049, 132641), (5037, 53957), (5451, 49859), (5767, 47127), (15709, 17301)]