201909981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{1009}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 332120320

約数和(自身を除く): 130210339

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 733, 1009, 2199, 3027, 5131, 7063, 9529, 13117, 15393, 21189, 28587, 39351, 66703, 91819, 200109, 275457, 739597, 2218791, 5177179, 9614761, 15531537, 28844283, 67303327, 201909981]

約数ペア:

[(1, 201909981), (3, 67303327), (7, 28844283), (13, 15531537), (21, 9614761), (39, 5177179), (91, 2218791), (273, 739597), (733, 275457), (1009, 200109), (2199, 91819), (3027, 66703), (5131, 39351), (7063, 28587), (9529, 21189), (13117, 15393)]