28237923

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2819}}^1$

素因数の和:2888

約数の個数: 32

約数和(自身を含む): 48729600

約数和(自身を除く): 20491677

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2819, 3339, 8457, 10017, 19733, 25371, 59199, 76113, 149407, 177597, 448221, 532791, 1045849, 1344663, 3137547, 4033989, 9412641, 28237923]

約数ペア:

[(1, 28237923), (3, 9412641), (7, 4033989), (9, 3137547), (21, 1344663), (27, 1045849), (53, 532791), (63, 448221), (159, 177597), (189, 149407), (371, 76113), (477, 59199), (1113, 25371), (1431, 19733), (2819, 10017), (3339, 8457)]