78857685

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 148262400

約数和(自身を除く): 69404715

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 109, 115, 135, 207, 233, 327, 345, 545, 621, 699, 981, 1035, 1165, 1635, 2097, 2507, 2943, 3105, 3495, 4905, 5359, 6291, 7521, 10485, 12535, 14715, 16077, 22563, 25397, 26795, 31455, 37605, 48231, 67689, 76191, 80385, 112815, 126985, 144693, 228573, 241155, 338445, 380955, 584131, 685719, 723465, 1142865, 1752393, 2920655, 3428595, 5257179, 8761965, 15771537, 26285895, 78857685]

約数ペア:

[(1, 78857685), (3, 26285895), (5, 15771537), (9, 8761965), (15, 5257179), (23, 3428595), (27, 2920655), (45, 1752393), (69, 1142865), (109, 723465), (115, 685719), (135, 584131), (207, 380955), (233, 338445), (327, 241155), (345, 228573), (545, 144693), (621, 126985), (699, 112815), (981, 80385), (1035, 76191), (1165, 67689), (1635, 48231), (2097, 37605), (2507, 31455), (2943, 26795), (3105, 25397), (3495, 22563), (4905, 16077), (5359, 14715), (6291, 12535), (7521, 10485)]