28848555

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 57150720

約数和(自身を除く): 28302165

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 81, 95, 115, 135, 163, 171, 207, 285, 345, 405, 437, 489, 513, 621, 815, 855, 1035, 1311, 1467, 1539, 1863, 2185, 2445, 2565, 3097, 3105, 3749, 3933, 4401, 6555, 7335, 7695, 9291, 9315, 11247, 11799, 13203, 15485, 18745, 19665, 22005, 27873, 33741, 35397, 46455, 56235, 58995, 66015, 71231, 83619, 101223, 139365, 168705, 176985, 213693, 250857, 303669, 356155, 418095, 506115, 641079, 1068465, 1254285, 1518345, 1923237, 3205395, 5769711, 9616185, 28848555]

約数ペア:

[(1, 28848555), (3, 9616185), (5, 5769711), (9, 3205395), (15, 1923237), (19, 1518345), (23, 1254285), (27, 1068465), (45, 641079), (57, 506115), (69, 418095), (81, 356155), (95, 303669), (115, 250857), (135, 213693), (163, 176985), (171, 168705), (207, 139365), (285, 101223), (345, 83619), (405, 71231), (437, 66015), (489, 58995), (513, 56235), (621, 46455), (815, 35397), (855, 33741), (1035, 27873), (1311, 22005), (1467, 19665), (1539, 18745), (1863, 15485), (2185, 13203), (2445, 11799), (2565, 11247), (3097, 9315), (3105, 9291), (3749, 7695), (3933, 7335), (4401, 6555)]