239657187

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 420249600

約数和(自身を除く): 180592413

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 147, 217, 231, 341, 343, 539, 651, 683, 1023, 1029, 1519, 1617, 2049, 2387, 3773, 4557, 4781, 7161, 7513, 10633, 11319, 14343, 16709, 21173, 22539, 31899, 33467, 50127, 52591, 63519, 100401, 116963, 148211, 157773, 232903, 234269, 350889, 368137, 444633, 698709, 702807, 1037477, 1104411, 1630321, 2576959, 3112431, 4890963, 7262339, 7730877, 11412247, 21787017, 34236741, 79885729, 239657187]

約数ペア:

[(1, 239657187), (3, 79885729), (7, 34236741), (11, 21787017), (21, 11412247), (31, 7730877), (33, 7262339), (49, 4890963), (77, 3112431), (93, 2576959), (147, 1630321), (217, 1104411), (231, 1037477), (341, 702807), (343, 698709), (539, 444633), (651, 368137), (683, 350889), (1023, 234269), (1029, 232903), (1519, 157773), (1617, 148211), (2049, 116963), (2387, 100401), (3773, 63519), (4557, 52591), (4781, 50127), (7161, 33467), (7513, 31899), (10633, 22539), (11319, 21173), (14343, 16709)]