28949445

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 61532640

約数和(自身を除く): 32583195

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 691, 735, 855, 931, 1197, 1995, 2073, 2205, 2793, 3455, 4655, 4837, 5985, 6219, 8379, 10365, 13129, 13965, 14511, 24185, 31095, 33859, 39387, 41895, 43533, 65645, 72555, 91903, 101577, 118161, 169295, 196935, 217665, 275709, 304731, 459515, 507885, 590805, 643321, 827127, 1378545, 1523655, 1929963, 3216605, 4135635, 5789889, 9649815, 28949445]

約数ペア:

[(1, 28949445), (3, 9649815), (5, 5789889), (7, 4135635), (9, 3216605), (15, 1929963), (19, 1523655), (21, 1378545), (35, 827127), (45, 643321), (49, 590805), (57, 507885), (63, 459515), (95, 304731), (105, 275709), (133, 217665), (147, 196935), (171, 169295), (245, 118161), (285, 101577), (315, 91903), (399, 72555), (441, 65645), (665, 43533), (691, 41895), (735, 39387), (855, 33859), (931, 31095), (1197, 24185), (1995, 14511), (2073, 13965), (2205, 13129), (2793, 10365), (3455, 8379), (4655, 6219), (4837, 5985)]