991647579

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{877}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 1447505920

約数和(自身を除く): 455858341

約数列:

[1, 3, 13, 39, 79, 237, 367, 877, 1027, 1101, 2631, 3081, 4771, 11401, 14313, 28993, 34203, 69283, 86979, 207849, 321859, 376909, 900679, 965577, 1130727, 2702037, 4184167, 12552501, 25426861, 76280583, 330549193, 991647579]

約数ペア:

[(1, 991647579), (3, 330549193), (13, 76280583), (39, 25426861), (79, 12552501), (237, 4184167), (367, 2702037), (877, 1130727), (1027, 965577), (1101, 900679), (2631, 376909), (3081, 321859), (4771, 207849), (11401, 86979), (14313, 69283), (28993, 34203)]