210868905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 368084736

約数和(自身を除く): 157215831

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 193, 195, 431, 507, 579, 845, 965, 1293, 2155, 2509, 2535, 2895, 5603, 6465, 7527, 12545, 16809, 28015, 32617, 37635, 72839, 83183, 84045, 97851, 163085, 218517, 249549, 364195, 415915, 489255, 1081379, 1092585, 1247745, 3244137, 5406895, 14057927, 16220685, 42173781, 70289635, 210868905]

約数ペア:

[(1, 210868905), (3, 70289635), (5, 42173781), (13, 16220685), (15, 14057927), (39, 5406895), (65, 3244137), (169, 1247745), (193, 1092585), (195, 1081379), (431, 489255), (507, 415915), (579, 364195), (845, 249549), (965, 218517), (1293, 163085), (2155, 97851), (2509, 84045), (2535, 83183), (2895, 72839), (5603, 37635), (6465, 32617), (7527, 28015), (12545, 16809)]