16004205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 33800832

約数和(自身を除く): 17796627

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 47, 63, 69, 105, 115, 141, 161, 207, 235, 315, 329, 345, 423, 483, 705, 805, 987, 1035, 1081, 1449, 1645, 2115, 2209, 2415, 2961, 3243, 4935, 5405, 6627, 7245, 7567, 9729, 11045, 14805, 15463, 16215, 19881, 22701, 33135, 37835, 46389, 48645, 50807, 68103, 77315, 99405, 113505, 139167, 152421, 231945, 254035, 340515, 355649, 457263, 695835, 762105, 1066947, 1778245, 2286315, 3200841, 5334735, 16004205]

約数ペア:

[(1, 16004205), (3, 5334735), (5, 3200841), (7, 2286315), (9, 1778245), (15, 1066947), (21, 762105), (23, 695835), (35, 457263), (45, 355649), (47, 340515), (63, 254035), (69, 231945), (105, 152421), (115, 139167), (141, 113505), (161, 99405), (207, 77315), (235, 68103), (315, 50807), (329, 48645), (345, 46389), (423, 37835), (483, 33135), (705, 22701), (805, 19881), (987, 16215), (1035, 15463), (1081, 14805), (1449, 11045), (1645, 9729), (2115, 7567), (2209, 7245), (2415, 6627), (2961, 5405), (3243, 4935)]