205657413

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 302813952

約数和(自身を除く): 97156539

約数列:

[1, 3, 13, 39, 61, 137, 183, 411, 631, 793, 1781, 1893, 2379, 5343, 8203, 8357, 24609, 25071, 38491, 86447, 108641, 115473, 259341, 325923, 500383, 1123811, 1501149, 3371433, 5273267, 15819801, 68552471, 205657413]

約数ペア:

[(1, 205657413), (3, 68552471), (13, 15819801), (39, 5273267), (61, 3371433), (137, 1501149), (183, 1123811), (411, 500383), (631, 325923), (793, 259341), (1781, 115473), (1893, 108641), (2379, 86447), (5343, 38491), (8203, 25071), (8357, 24609)]