38995965

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{211}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 71588160

約数和(自身を除く): 32592195

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 211, 333, 555, 633, 999, 1055, 1369, 1665, 1899, 3165, 4107, 4995, 5697, 6845, 7807, 9495, 12321, 20535, 23421, 28485, 36963, 39035, 61605, 70263, 117105, 184815, 210789, 288859, 351315, 866577, 1053945, 1444295, 2599731, 4332885, 7799193, 12998655, 38995965]

約数ペア:

[(1, 38995965), (3, 12998655), (5, 7799193), (9, 4332885), (15, 2599731), (27, 1444295), (37, 1053945), (45, 866577), (111, 351315), (135, 288859), (185, 210789), (211, 184815), (333, 117105), (555, 70263), (633, 61605), (999, 39035), (1055, 36963), (1369, 28485), (1665, 23421), (1899, 20535), (3165, 12321), (4107, 9495), (4995, 7807), (5697, 6845)]