81444615

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3821}}^1$

素因数の和:3872

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 75410265

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 1015, 1421, 3045, 3821, 4263, 7105, 11463, 19105, 21315, 26747, 57315, 80241, 110809, 133735, 187229, 332427, 401205, 554045, 561687, 775663, 936145, 1662135, 2326989, 2808435, 3878315, 5429641, 11634945, 16288923, 27148205, 81444615]

約数ペア:

[(1, 81444615), (3, 27148205), (5, 16288923), (7, 11634945), (15, 5429641), (21, 3878315), (29, 2808435), (35, 2326989), (49, 1662135), (87, 936145), (105, 775663), (145, 561687), (147, 554045), (203, 401205), (245, 332427), (435, 187229), (609, 133735), (735, 110809), (1015, 80241), (1421, 57315), (3045, 26747), (3821, 21315), (4263, 19105), (7105, 11463)]