28285005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 54501120

約数和(自身を除く): 26216115

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 1015, 1327, 1421, 3045, 3981, 4263, 6635, 7105, 9289, 19905, 21315, 27867, 38483, 46445, 65023, 115449, 139335, 192415, 195069, 269381, 325115, 577245, 808143, 975345, 1346905, 1885667, 4040715, 5657001, 9428335, 28285005]

約数ペア:

[(1, 28285005), (3, 9428335), (5, 5657001), (7, 4040715), (15, 1885667), (21, 1346905), (29, 975345), (35, 808143), (49, 577245), (87, 325115), (105, 269381), (145, 195069), (147, 192415), (203, 139335), (245, 115449), (435, 65023), (609, 46445), (735, 38483), (1015, 27867), (1327, 21315), (1421, 19905), (3045, 9289), (3981, 7105), (4263, 6635)]