31618041

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 53406720

約数和(自身を除く): 21788679

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 151, 169, 177, 273, 413, 453, 507, 767, 1057, 1183, 1239, 1963, 2301, 3171, 3549, 5369, 5889, 8909, 9971, 13741, 16107, 25519, 26727, 29913, 41223, 62363, 69797, 76557, 115817, 178633, 187089, 209391, 347451, 535899, 810719, 1505621, 2432157, 4516863, 10539347, 31618041]

約数ペア:

[(1, 31618041), (3, 10539347), (7, 4516863), (13, 2432157), (21, 1505621), (39, 810719), (59, 535899), (91, 347451), (151, 209391), (169, 187089), (177, 178633), (273, 115817), (413, 76557), (453, 69797), (507, 62363), (767, 41223), (1057, 29913), (1183, 26727), (1239, 25519), (1963, 16107), (2301, 13741), (3171, 9971), (3549, 8909), (5369, 5889)]