398495265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{10513}}^1$

素因数の和:10566

約数の個数: 48

約数和(自身を含む): 769120128

約数和(自身を除く): 370624863

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 665, 1083, 1805, 1995, 2527, 5415, 7581, 10513, 12635, 31539, 37905, 52565, 73591, 157695, 199747, 220773, 367955, 599241, 998735, 1103865, 1398229, 2996205, 3795193, 4194687, 6991145, 11385579, 18975965, 20973435, 26566351, 56927895, 79699053, 132831755, 398495265]

約数ペア:

[(1, 398495265), (3, 132831755), (5, 79699053), (7, 56927895), (15, 26566351), (19, 20973435), (21, 18975965), (35, 11385579), (57, 6991145), (95, 4194687), (105, 3795193), (133, 2996205), (285, 1398229), (361, 1103865), (399, 998735), (665, 599241), (1083, 367955), (1805, 220773), (1995, 199747), (2527, 157695), (5415, 73591), (7581, 52565), (10513, 37905), (12635, 31539)]