397301415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{5903}}^1$

素因数の和:6559

約数の個数: 32

約数和(自身を含む): 727750656

約数和(自身を除く): 330449241

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 641, 1923, 3205, 4487, 5903, 9615, 13461, 17709, 22435, 29515, 41321, 67305, 88545, 123963, 206605, 619815, 3783823, 11351469, 18919115, 26486761, 56757345, 79460283, 132433805, 397301415]

約数ペア:

[(1, 397301415), (3, 132433805), (5, 79460283), (7, 56757345), (15, 26486761), (21, 18919115), (35, 11351469), (105, 3783823), (641, 619815), (1923, 206605), (3205, 123963), (4487, 88545), (5903, 67305), (9615, 41321), (13461, 29515), (17709, 22435)]