28271487

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 41425920

約数和(自身を除く): 13154433

約数列:

[1, 3, 19, 47, 57, 61, 141, 173, 183, 519, 893, 1159, 2679, 2867, 3287, 3477, 8131, 8601, 9861, 10553, 24393, 31659, 54473, 154489, 163419, 200507, 463467, 495991, 601521, 1487973, 9423829, 28271487]

約数ペア:

[(1, 28271487), (3, 9423829), (19, 1487973), (47, 601521), (57, 495991), (61, 463467), (141, 200507), (173, 163419), (183, 154489), (519, 54473), (893, 31659), (1159, 24393), (2679, 10553), (2867, 9861), (3287, 8601), (3477, 8131)]