28484703

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 18480033

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 127, 213, 243, 351, 381, 639, 923, 1053, 1143, 1651, 1917, 2769, 3159, 3429, 4953, 5751, 8307, 9017, 10287, 14859, 17253, 24921, 27051, 30861, 44577, 74763, 81153, 117221, 133731, 224289, 243459, 351663, 401193, 730377, 1054989, 2191131, 3164967, 9494901, 28484703]

約数ペア:

[(1, 28484703), (3, 9494901), (9, 3164967), (13, 2191131), (27, 1054989), (39, 730377), (71, 401193), (81, 351663), (117, 243459), (127, 224289), (213, 133731), (243, 117221), (351, 81153), (381, 74763), (639, 44577), (923, 30861), (1053, 27051), (1143, 24921), (1651, 17253), (1917, 14859), (2769, 10287), (3159, 9017), (3429, 8307), (4953, 5751)]