68748705

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 124488000

約数和(自身を除く): 55739295

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 139, 145, 261, 379, 417, 435, 695, 1137, 1251, 1305, 1895, 2085, 3411, 4031, 5685, 6255, 10991, 12093, 17055, 20155, 32973, 36279, 52681, 54955, 60465, 98919, 158043, 164865, 181395, 263405, 474129, 494595, 790215, 1527749, 2370645, 4583247, 7638745, 13749741, 22916235, 68748705]

約数ペア:

[(1, 68748705), (3, 22916235), (5, 13749741), (9, 7638745), (15, 4583247), (29, 2370645), (45, 1527749), (87, 790215), (139, 494595), (145, 474129), (261, 263405), (379, 181395), (417, 164865), (435, 158043), (695, 98919), (1137, 60465), (1251, 54955), (1305, 52681), (1895, 36279), (2085, 32973), (3411, 20155), (4031, 17055), (5685, 12093), (6255, 10991)]