38409579

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 66890880

約数和(自身を除く): 28481301

約数列:

[1, 3, 9, 13, 17, 27, 39, 41, 51, 117, 123, 153, 157, 221, 351, 369, 459, 471, 533, 663, 697, 1107, 1413, 1599, 1989, 2041, 2091, 2669, 4239, 4797, 5967, 6123, 6273, 6437, 8007, 9061, 14391, 18369, 18819, 19311, 24021, 27183, 34697, 55107, 57933, 72063, 81549, 83681, 104091, 109429, 173799, 244647, 251043, 312273, 328287, 753129, 936819, 984861, 1422577, 2259387, 2954583, 4267731, 12803193, 38409579]

約数ペア:

[(1, 38409579), (3, 12803193), (9, 4267731), (13, 2954583), (17, 2259387), (27, 1422577), (39, 984861), (41, 936819), (51, 753129), (117, 328287), (123, 312273), (153, 251043), (157, 244647), (221, 173799), (351, 109429), (369, 104091), (459, 83681), (471, 81549), (533, 72063), (663, 57933), (697, 55107), (1107, 34697), (1413, 27183), (1599, 24021), (1989, 19311), (2041, 18819), (2091, 18369), (2669, 14391), (4239, 9061), (4797, 8007), (5967, 6437), (6123, 6273)]