81246319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 105910272

約数和(自身を除く): 24663953

約数列:

[1, 7, 11, 31, 77, 101, 217, 337, 341, 707, 1111, 2359, 2387, 3131, 3707, 7777, 10447, 21917, 25949, 34037, 34441, 73129, 114917, 238259, 241087, 374407, 804419, 1055147, 2620849, 7386029, 11606617, 81246319]

約数ペア:

[(1, 81246319), (7, 11606617), (11, 7386029), (31, 2620849), (77, 1055147), (101, 804419), (217, 374407), (337, 241087), (341, 238259), (707, 114917), (1111, 73129), (2359, 34441), (2387, 34037), (3131, 25949), (3707, 21917), (7777, 10447)]