15660225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 32781632

約数和(自身を除く): 17121407

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 105, 163, 175, 183, 225, 305, 315, 427, 489, 525, 549, 815, 915, 1141, 1281, 1467, 1525, 1575, 2135, 2445, 2745, 3423, 3843, 4075, 4575, 5705, 6405, 7335, 9943, 10269, 10675, 12225, 13725, 17115, 19215, 28525, 29829, 32025, 36675, 49715, 51345, 69601, 85575, 89487, 96075, 149145, 208803, 248575, 256725, 348005, 447435, 626409, 745725, 1044015, 1740025, 2237175, 3132045, 5220075, 15660225]

約数ペア:

[(1, 15660225), (3, 5220075), (5, 3132045), (7, 2237175), (9, 1740025), (15, 1044015), (21, 745725), (25, 626409), (35, 447435), (45, 348005), (61, 256725), (63, 248575), (75, 208803), (105, 149145), (163, 96075), (175, 89487), (183, 85575), (225, 69601), (305, 51345), (315, 49715), (427, 36675), (489, 32025), (525, 29829), (549, 28525), (815, 19215), (915, 17115), (1141, 13725), (1281, 12225), (1467, 10675), (1525, 10269), (1575, 9943), (2135, 7335), (2445, 6405), (2745, 5705), (3423, 4575), (3843, 4075)]