82777455

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 149834880

約数和(自身を除く): 67057425

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 137, 145, 261, 411, 435, 463, 685, 1233, 1305, 1389, 2055, 2315, 3973, 4167, 6165, 6945, 11919, 13427, 19865, 20835, 35757, 40281, 59595, 63431, 67135, 120843, 178785, 190293, 201405, 317155, 570879, 604215, 951465, 1839499, 2854395, 5518497, 9197495, 16555491, 27592485, 82777455]

約数ペア:

[(1, 82777455), (3, 27592485), (5, 16555491), (9, 9197495), (15, 5518497), (29, 2854395), (45, 1839499), (87, 951465), (137, 604215), (145, 570879), (261, 317155), (411, 201405), (435, 190293), (463, 178785), (685, 120843), (1233, 67135), (1305, 63431), (1389, 59595), (2055, 40281), (2315, 35757), (3973, 20835), (4167, 19865), (6165, 13427), (6945, 11919)]