1285197849

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 2118661272

約数和(自身を除く): 833463423

約数列:

[1, 3, 9, 13, 37, 39, 41, 111, 117, 123, 169, 333, 369, 481, 507, 533, 557, 1443, 1517, 1521, 1599, 1671, 4329, 4551, 4797, 5013, 6253, 6929, 7241, 13653, 18759, 19721, 20609, 20787, 21723, 22837, 56277, 59163, 61827, 62361, 65169, 68511, 94133, 177489, 185481, 205533, 256373, 267917, 282399, 296881, 769119, 803751, 844969, 847197, 890643, 2307357, 2411253, 2534907, 2671929, 3482921, 3859453, 7604721, 10448763, 10984597, 11578359, 31346289, 32953791, 34735077, 98861373, 142799761, 428399283, 1285197849]

約数ペア:

[(1, 1285197849), (3, 428399283), (9, 142799761), (13, 98861373), (37, 34735077), (39, 32953791), (41, 31346289), (111, 11578359), (117, 10984597), (123, 10448763), (169, 7604721), (333, 3859453), (369, 3482921), (481, 2671929), (507, 2534907), (533, 2411253), (557, 2307357), (1443, 890643), (1517, 847197), (1521, 844969), (1599, 803751), (1671, 769119), (4329, 296881), (4551, 282399), (4797, 267917), (5013, 256373), (6253, 205533), (6929, 185481), (7241, 177489), (13653, 94133), (18759, 68511), (19721, 65169), (20609, 62361), (20787, 61827), (21723, 59163), (22837, 56277)]