289375281

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{3697}}^1$

素因数の和:3942

約数の個数: 32

約数和(自身を含む): 463877120

約数和(自身を除く): 174501839

約数列:

[1, 3, 9, 13, 27, 39, 117, 223, 351, 669, 2007, 2899, 3697, 6021, 8697, 11091, 26091, 33273, 48061, 78273, 99819, 144183, 432549, 824431, 1297647, 2473293, 7419879, 10717603, 22259637, 32152809, 96458427, 289375281]

約数ペア:

[(1, 289375281), (3, 96458427), (9, 32152809), (13, 22259637), (27, 10717603), (39, 7419879), (117, 2473293), (223, 1297647), (351, 824431), (669, 432549), (2007, 144183), (2899, 99819), (3697, 78273), (6021, 48061), (8697, 33273), (11091, 26091)]