247482921

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{7019}}^1$

素因数の和:7125

約数の個数: 32

約数和(自身を含む): 398960640

約数和(自身を除く): 151477719

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 1533, 1679, 5037, 7019, 11753, 21057, 35259, 49133, 147399, 161437, 484311, 512387, 1130059, 1537161, 3390177, 3586709, 10760127, 11784901, 35354703, 82494307, 247482921]

約数ペア:

[(1, 247482921), (3, 82494307), (7, 35354703), (21, 11784901), (23, 10760127), (69, 3586709), (73, 3390177), (161, 1537161), (219, 1130059), (483, 512387), (511, 484311), (1533, 161437), (1679, 147399), (5037, 49133), (7019, 35259), (11753, 21057)]