81507825

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{7393}}^1$

素因数の和:7423

約数の個数: 54

約数和(自身を含む): 169847574

約数和(自身を除く): 88339749

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1575, 2205, 3675, 7393, 11025, 22179, 36965, 51751, 66537, 110895, 155253, 184825, 258755, 332685, 362257, 465759, 554475, 776265, 1086771, 1293775, 1663425, 1811285, 2328795, 3260313, 3881325, 5433855, 9056425, 11643975, 16301565, 27169275, 81507825]

約数ペア:

[(1, 81507825), (3, 27169275), (5, 16301565), (7, 11643975), (9, 9056425), (15, 5433855), (21, 3881325), (25, 3260313), (35, 2328795), (45, 1811285), (49, 1663425), (63, 1293775), (75, 1086771), (105, 776265), (147, 554475), (175, 465759), (225, 362257), (245, 332685), (315, 258755), (441, 184825), (525, 155253), (735, 110895), (1225, 66537), (1575, 51751), (2205, 36965), (3675, 22179), (7393, 11025)]