16305219

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 28168800

約数和(自身を除く): 11863581

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 193, 447, 567, 579, 1043, 1341, 1351, 1737, 3129, 4023, 4053, 5211, 9387, 12069, 12159, 15633, 28161, 28757, 36477, 84483, 86271, 109431, 201299, 258813, 603897, 776439, 1811691, 2329317, 5435073, 16305219]

約数ペア:

[(1, 16305219), (3, 5435073), (7, 2329317), (9, 1811691), (21, 776439), (27, 603897), (63, 258813), (81, 201299), (149, 109431), (189, 86271), (193, 84483), (447, 36477), (567, 28757), (579, 28161), (1043, 15633), (1341, 12159), (1351, 12069), (1737, 9387), (3129, 5211), (4023, 4053)]