28385475

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 49362912

約数和(自身を除く): 20977437

約数列:

[1, 3, 5, 15, 25, 37, 53, 75, 111, 159, 185, 193, 265, 555, 579, 795, 925, 965, 1325, 1961, 2775, 2895, 3975, 4825, 5883, 7141, 9805, 10229, 14475, 21423, 29415, 30687, 35705, 49025, 51145, 107115, 147075, 153435, 178525, 255725, 378473, 535575, 767175, 1135419, 1892365, 5677095, 9461825, 28385475]

約数ペア:

[(1, 28385475), (3, 9461825), (5, 5677095), (15, 1892365), (25, 1135419), (37, 767175), (53, 535575), (75, 378473), (111, 255725), (159, 178525), (185, 153435), (193, 147075), (265, 107115), (555, 51145), (579, 49025), (795, 35705), (925, 30687), (965, 29415), (1325, 21423), (1961, 14475), (2775, 10229), (2895, 9805), (3975, 7141), (4825, 5883)]