18161325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 40080768

約数和(自身を除く): 21919443

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 887, 975, 1365, 1575, 2275, 2661, 2925, 4095, 4435, 6209, 6825, 7983, 11531, 13305, 18627, 20475, 22175, 31045, 34593, 39915, 55881, 57655, 66525, 80717, 93135, 103779, 155225, 172965, 199575, 242151, 279405, 288275, 403585, 465675, 518895, 726453, 864825, 1210755, 1397025, 2017925, 2594475, 3632265, 6053775, 18161325]

約数ペア:

[(1, 18161325), (3, 6053775), (5, 3632265), (7, 2594475), (9, 2017925), (13, 1397025), (15, 1210755), (21, 864825), (25, 726453), (35, 518895), (39, 465675), (45, 403585), (63, 288275), (65, 279405), (75, 242151), (91, 199575), (105, 172965), (117, 155225), (175, 103779), (195, 93135), (225, 80717), (273, 66525), (315, 57655), (325, 55881), (455, 39915), (525, 34593), (585, 31045), (819, 22175), (887, 20475), (975, 18627), (1365, 13305), (1575, 11531), (2275, 7983), (2661, 6825), (2925, 6209), (4095, 4435)]