138513249

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 249924480

約数和(自身を除く): 111411231

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 61, 63, 133, 147, 171, 183, 271, 399, 427, 441, 549, 813, 931, 1159, 1197, 1281, 1897, 2439, 2793, 2989, 3477, 3843, 5149, 5691, 8113, 8379, 8967, 10431, 13279, 15447, 16531, 17073, 24339, 26901, 36043, 39837, 46341, 49593, 56791, 73017, 108129, 115717, 119511, 148779, 170373, 252301, 314089, 324387, 347151, 511119, 756903, 810019, 942267, 1041453, 2198623, 2270709, 2430057, 2826801, 6595869, 7290171, 15390361, 19787607, 46171083, 138513249]

約数ペア:

[(1, 138513249), (3, 46171083), (7, 19787607), (9, 15390361), (19, 7290171), (21, 6595869), (49, 2826801), (57, 2430057), (61, 2270709), (63, 2198623), (133, 1041453), (147, 942267), (171, 810019), (183, 756903), (271, 511119), (399, 347151), (427, 324387), (441, 314089), (549, 252301), (813, 170373), (931, 148779), (1159, 119511), (1197, 115717), (1281, 108129), (1897, 73017), (2439, 56791), (2793, 49593), (2989, 46341), (3477, 39837), (3843, 36043), (5149, 26901), (5691, 24339), (8113, 17073), (8379, 16531), (8967, 15447), (10431, 13279)]