238413537

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 364928256

約数和(自身を除く): 126514719

約数列:

[1, 3, 9, 27, 67, 81, 197, 201, 223, 591, 603, 669, 1773, 1809, 2007, 5319, 5427, 6021, 13199, 14941, 15957, 18063, 39597, 43931, 44823, 118791, 131793, 134469, 356373, 395379, 403407, 1069119, 1186137, 1210221, 2943377, 3558411, 8830131, 26490393, 79471179, 238413537]

約数ペア:

[(1, 238413537), (3, 79471179), (9, 26490393), (27, 8830131), (67, 3558411), (81, 2943377), (197, 1210221), (201, 1186137), (223, 1069119), (591, 403407), (603, 395379), (669, 356373), (1773, 134469), (1809, 131793), (2007, 118791), (5319, 44823), (5427, 43931), (6021, 39597), (13199, 18063), (14941, 15957)]