61373781

素因数分解:

$3^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 111257600

約数和(自身を除く): 49883819

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 211, 243, 399, 513, 567, 633, 729, 1197, 1477, 1539, 1701, 1899, 2187, 3591, 4009, 4431, 4617, 5103, 5697, 10773, 12027, 13293, 13851, 15309, 17091, 28063, 32319, 36081, 39879, 41553, 51273, 84189, 96957, 108243, 119637, 153819, 252567, 290871, 324729, 358911, 461457, 757701, 974187, 1076733, 2273103, 2922561, 3230199, 6819309, 8767683, 20457927, 61373781]

約数ペア:

[(1, 61373781), (3, 20457927), (7, 8767683), (9, 6819309), (19, 3230199), (21, 2922561), (27, 2273103), (57, 1076733), (63, 974187), (81, 757701), (133, 461457), (171, 358911), (189, 324729), (211, 290871), (243, 252567), (399, 153819), (513, 119637), (567, 108243), (633, 96957), (729, 84189), (1197, 51273), (1477, 41553), (1539, 39879), (1701, 36081), (1899, 32319), (2187, 28063), (3591, 17091), (4009, 15309), (4431, 13851), (4617, 13293), (5103, 12027), (5697, 10773)]