218843163

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 404941680

約数和(自身を除く): 186098517

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 197, 229, 231, 441, 539, 591, 687, 693, 1379, 1603, 1617, 1773, 2061, 2167, 2519, 4137, 4809, 4851, 6501, 7557, 9653, 11221, 12411, 14427, 15169, 17633, 19503, 22671, 28959, 33663, 45113, 45507, 52899, 86877, 100989, 106183, 123431, 135339, 136521, 158697, 315791, 318549, 370293, 406017, 496243, 947373, 955647, 1110879, 1488729, 2210537, 2842119, 3473701, 4466187, 6631611, 10421103, 19894833, 24315907, 31263309, 72947721, 218843163]

約数ペア:

[(1, 218843163), (3, 72947721), (7, 31263309), (9, 24315907), (11, 19894833), (21, 10421103), (33, 6631611), (49, 4466187), (63, 3473701), (77, 2842119), (99, 2210537), (147, 1488729), (197, 1110879), (229, 955647), (231, 947373), (441, 496243), (539, 406017), (591, 370293), (687, 318549), (693, 315791), (1379, 158697), (1603, 136521), (1617, 135339), (1773, 123431), (2061, 106183), (2167, 100989), (2519, 86877), (4137, 52899), (4809, 45507), (4851, 45113), (6501, 33663), (7557, 28959), (9653, 22671), (11221, 19503), (12411, 17633), (14427, 15169)]