4045005

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 7680960

約数和(自身を除く): 3635955

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 83, 95, 135, 171, 249, 285, 361, 415, 513, 747, 855, 1083, 1245, 1577, 1805, 2241, 2565, 3249, 3735, 4731, 5415, 7885, 9747, 11205, 14193, 16245, 23655, 29963, 42579, 48735, 70965, 89889, 149815, 212895, 269667, 449445, 809001, 1348335, 4045005]

約数ペア:

[(1, 4045005), (3, 1348335), (5, 809001), (9, 449445), (15, 269667), (19, 212895), (27, 149815), (45, 89889), (57, 70965), (83, 48735), (95, 42579), (135, 29963), (171, 23655), (249, 16245), (285, 14193), (361, 11205), (415, 9747), (513, 7885), (747, 5415), (855, 4731), (1083, 3735), (1245, 3249), (1577, 2565), (1805, 2241)]