7874805

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 13368960

約数和(自身を除く): 5494155

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 421, 435, 645, 1247, 1263, 2105, 3741, 6235, 6315, 12209, 18103, 18705, 36627, 54309, 61045, 90515, 183135, 271545, 524987, 1574961, 2624935, 7874805]

約数ペア:

[(1, 7874805), (3, 2624935), (5, 1574961), (15, 524987), (29, 271545), (43, 183135), (87, 90515), (129, 61045), (145, 54309), (215, 36627), (421, 18705), (435, 18103), (645, 12209), (1247, 6315), (1263, 6235), (2105, 3741)]