61769421

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 108785664

約数和(自身を除く): 47016243

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 423, 483, 907, 987, 1081, 1449, 2721, 2961, 3243, 6349, 7567, 8163, 9729, 19047, 20861, 22701, 42629, 57141, 62583, 68103, 127887, 146027, 187749, 298403, 383661, 438081, 895209, 980467, 1314243, 2685627, 2941401, 6863269, 8824203, 20589807, 61769421]

約数ペア:

[(1, 61769421), (3, 20589807), (7, 8824203), (9, 6863269), (21, 2941401), (23, 2685627), (47, 1314243), (63, 980467), (69, 895209), (141, 438081), (161, 383661), (207, 298403), (329, 187749), (423, 146027), (483, 127887), (907, 68103), (987, 62583), (1081, 57141), (1449, 42629), (2721, 22701), (2961, 20861), (3243, 19047), (6349, 9729), (7567, 8163)]