81372291

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 150581760

約数和(自身を除く): 69209469

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 79, 91, 143, 147, 231, 237, 273, 343, 429, 539, 553, 637, 869, 1001, 1027, 1029, 1617, 1659, 1911, 2401, 2607, 3003, 3081, 3773, 3871, 4459, 6083, 7007, 7189, 7203, 11297, 11319, 11613, 13377, 18249, 21021, 21567, 26411, 27097, 31213, 33891, 42581, 49049, 50323, 79079, 79233, 81291, 93639, 127743, 147147, 150969, 189679, 237237, 298067, 343343, 352261, 553553, 569037, 894201, 1030029, 1056783, 1660659, 2086469, 2465827, 3874871, 6259407, 7397481, 11624613, 27124097, 81372291]

約数ペア:

[(1, 81372291), (3, 27124097), (7, 11624613), (11, 7397481), (13, 6259407), (21, 3874871), (33, 2465827), (39, 2086469), (49, 1660659), (77, 1056783), (79, 1030029), (91, 894201), (143, 569037), (147, 553553), (231, 352261), (237, 343343), (273, 298067), (343, 237237), (429, 189679), (539, 150969), (553, 147147), (637, 127743), (869, 93639), (1001, 81291), (1027, 79233), (1029, 79079), (1617, 50323), (1659, 49049), (1911, 42581), (2401, 33891), (2607, 31213), (3003, 27097), (3081, 26411), (3773, 21567), (3871, 21021), (4459, 18249), (6083, 13377), (7007, 11613), (7189, 11319), (7203, 11297)]