205737273

素因数分解:

$3^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{4139}}^1$

素因数の和:4418

約数の個数: 32

約数和(自身を含む): 349747200

約数和(自身を除く): 144009927

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 263, 789, 1841, 2367, 4139, 5523, 7101, 12417, 16569, 28973, 37251, 49707, 86919, 111753, 260757, 782271, 1088557, 3265671, 7619899, 9797013, 22859697, 29391039, 68579091, 205737273]

約数ペア:

[(1, 205737273), (3, 68579091), (7, 29391039), (9, 22859697), (21, 9797013), (27, 7619899), (63, 3265671), (189, 1088557), (263, 782271), (789, 260757), (1841, 111753), (2367, 86919), (4139, 49707), (5523, 37251), (7101, 28973), (12417, 16569)]