61651359

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 115240320

約数和(自身を除く): 53588961

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 71, 77, 99, 147, 179, 213, 231, 441, 497, 537, 539, 639, 693, 781, 1253, 1491, 1611, 1617, 1969, 2343, 3479, 3759, 4473, 4851, 5467, 5907, 7029, 8771, 10437, 11277, 12709, 13783, 16401, 17721, 26313, 31311, 38127, 38269, 41349, 49203, 78939, 88963, 96481, 114381, 114807, 124047, 139799, 266889, 289443, 344421, 419397, 622741, 800667, 868329, 978593, 1258191, 1868223, 2935779, 5604669, 6850151, 8807337, 20550453, 61651359]

約数ペア:

[(1, 61651359), (3, 20550453), (7, 8807337), (9, 6850151), (11, 5604669), (21, 2935779), (33, 1868223), (49, 1258191), (63, 978593), (71, 868329), (77, 800667), (99, 622741), (147, 419397), (179, 344421), (213, 289443), (231, 266889), (441, 139799), (497, 124047), (537, 114807), (539, 114381), (639, 96481), (693, 88963), (781, 78939), (1253, 49203), (1491, 41349), (1611, 38269), (1617, 38127), (1969, 31311), (2343, 26313), (3479, 17721), (3759, 16401), (4473, 13783), (4851, 12709), (5467, 11277), (5907, 10437), (7029, 8771)]