68721156

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{90901}}^1$

素因数の和:90921

約数の個数: 48

約数和(自身を含む): 203620480

約数和(自身を除く): 134899324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 90901, 181802, 272703, 363604, 545406, 636307, 818109, 1090812, 1272614, 1636218, 1908921, 2454327, 2545228, 3272436, 3817842, 4908654, 5726763, 7635684, 9817308, 11453526, 17180289, 22907052, 34360578, 68721156]

約数ペア:

[(1, 68721156), (2, 34360578), (3, 22907052), (4, 17180289), (6, 11453526), (7, 9817308), (9, 7635684), (12, 5726763), (14, 4908654), (18, 3817842), (21, 3272436), (27, 2545228), (28, 2454327), (36, 1908921), (42, 1636218), (54, 1272614), (63, 1090812), (84, 818109), (108, 636307), (126, 545406), (189, 363604), (252, 272703), (378, 181802), (756, 90901)]