788281389

素因数分解:

$3^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3467}}^1$

素因数の和:3887

約数の個数: 40

約数和(自身を含む): 1349523648

約数和(自身を除く): 561242259

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 401, 567, 1203, 2807, 3467, 3609, 8421, 10401, 10827, 24269, 25263, 31203, 32481, 72807, 75789, 93609, 218421, 227367, 280827, 655263, 1390267, 1965789, 4170801, 9731869, 12512403, 29195607, 37537209, 87586821, 112611627, 262760463, 788281389]

約数ペア:

[(1, 788281389), (3, 262760463), (7, 112611627), (9, 87586821), (21, 37537209), (27, 29195607), (63, 12512403), (81, 9731869), (189, 4170801), (401, 1965789), (567, 1390267), (1203, 655263), (2807, 280827), (3467, 227367), (3609, 218421), (8421, 93609), (10401, 75789), (10827, 72807), (24269, 32481), (25263, 31203)]