81943134

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{673}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 202911744

約数和(自身を除く): 120968610

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 223, 273, 446, 546, 669, 673, 1338, 1346, 1561, 2019, 2899, 3122, 4038, 4683, 4711, 5798, 8697, 8749, 9366, 9422, 14133, 17394, 17498, 20293, 26247, 28266, 40586, 52494, 60879, 61243, 121758, 122486, 150079, 183729, 300158, 367458, 450237, 900474, 1050553, 1951027, 2101106, 3151659, 3902054, 5853081, 6303318, 11706162, 13657189, 27314378, 40971567, 81943134]

約数ペア:

[(1, 81943134), (2, 40971567), (3, 27314378), (6, 13657189), (7, 11706162), (13, 6303318), (14, 5853081), (21, 3902054), (26, 3151659), (39, 2101106), (42, 1951027), (78, 1050553), (91, 900474), (182, 450237), (223, 367458), (273, 300158), (446, 183729), (546, 150079), (669, 122486), (673, 121758), (1338, 61243), (1346, 60879), (1561, 52494), (2019, 40586), (2899, 28266), (3122, 26247), (4038, 20293), (4683, 17498), (4711, 17394), (5798, 14133), (8697, 9422), (8749, 9366)]