72245277

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 128472960

約数和(自身を除く): 56227683

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 81, 117, 157, 171, 207, 247, 299, 351, 437, 471, 513, 621, 741, 897, 1053, 1311, 1413, 1539, 1863, 2041, 2223, 2691, 2983, 3611, 3933, 4239, 5681, 6123, 6669, 8073, 8949, 10833, 11799, 12717, 17043, 18369, 20007, 24219, 26847, 32499, 35397, 38779, 46943, 51129, 55107, 68609, 80541, 97497, 116337, 140829, 153387, 165321, 205827, 241623, 292491, 349011, 422487, 460161, 617481, 891917, 1047033, 1267461, 1852443, 2675751, 3141099, 3802383, 5557329, 8027253, 24081759, 72245277]

約数ペア:

[(1, 72245277), (3, 24081759), (9, 8027253), (13, 5557329), (19, 3802383), (23, 3141099), (27, 2675751), (39, 1852443), (57, 1267461), (69, 1047033), (81, 891917), (117, 617481), (157, 460161), (171, 422487), (207, 349011), (247, 292491), (299, 241623), (351, 205827), (437, 165321), (471, 153387), (513, 140829), (621, 116337), (741, 97497), (897, 80541), (1053, 68609), (1311, 55107), (1413, 51129), (1539, 46943), (1863, 38779), (2041, 35397), (2223, 32499), (2691, 26847), (2983, 24219), (3611, 20007), (3933, 18369), (4239, 17043), (5681, 12717), (6123, 11799), (6669, 10833), (8073, 8949)]