76813821

素因数分解:

$3^2\times 7^3\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 131040000

約数和(自身を除く): 54226179

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 149, 167, 343, 441, 447, 501, 1029, 1043, 1169, 1341, 1503, 3087, 3129, 3507, 7301, 8183, 9387, 10521, 21903, 24549, 24883, 51107, 57281, 65709, 73647, 74649, 153321, 171843, 174181, 223947, 459963, 515529, 522543, 1219267, 1567629, 3657801, 8534869, 10973403, 25604607, 76813821]

約数ペア:

[(1, 76813821), (3, 25604607), (7, 10973403), (9, 8534869), (21, 3657801), (49, 1567629), (63, 1219267), (147, 522543), (149, 515529), (167, 459963), (343, 223947), (441, 174181), (447, 171843), (501, 153321), (1029, 74649), (1043, 73647), (1169, 65709), (1341, 57281), (1503, 51107), (3087, 24883), (3129, 24549), (3507, 21903), (7301, 10521), (8183, 9387)]