201993753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 296980992

約数和(自身を除く): 94987239

約数列:

[1, 3, 13, 39, 61, 183, 197, 431, 591, 793, 1293, 2379, 2561, 5603, 7683, 12017, 16809, 26291, 36051, 78873, 84907, 156221, 254721, 341783, 468663, 1025349, 1103791, 3311373, 5179327, 15537981, 67331251, 201993753]

約数ペア:

[(1, 201993753), (3, 67331251), (13, 15537981), (39, 5179327), (61, 3311373), (183, 1103791), (197, 1025349), (431, 468663), (591, 341783), (793, 254721), (1293, 156221), (2379, 84907), (2561, 78873), (5603, 36051), (7683, 26291), (12017, 16809)]