85391985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 171601920

約数和(自身を除く): 86209935

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 285, 345, 399, 437, 483, 665, 805, 1311, 1861, 1995, 2185, 2415, 3059, 5583, 6555, 9177, 9305, 13027, 15295, 27915, 35359, 39081, 42803, 45885, 65135, 106077, 128409, 176795, 195405, 214015, 247513, 299621, 530385, 642045, 742539, 813257, 898863, 1237565, 1498105, 2439771, 3712695, 4066285, 4494315, 5692799, 12198855, 17078397, 28463995, 85391985]

約数ペア:

[(1, 85391985), (3, 28463995), (5, 17078397), (7, 12198855), (15, 5692799), (19, 4494315), (21, 4066285), (23, 3712695), (35, 2439771), (57, 1498105), (69, 1237565), (95, 898863), (105, 813257), (115, 742539), (133, 642045), (161, 530385), (285, 299621), (345, 247513), (399, 214015), (437, 195405), (483, 176795), (665, 128409), (805, 106077), (1311, 65135), (1861, 45885), (1995, 42803), (2185, 39081), (2415, 35359), (3059, 27915), (5583, 15295), (6555, 13027), (9177, 9305)]