208206585

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 386031360

約数和(自身を除く): 177824775

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 73, 111, 135, 185, 219, 333, 365, 555, 571, 657, 999, 1095, 1665, 1713, 1971, 2701, 2855, 3285, 4995, 5139, 8103, 8565, 9855, 13505, 15417, 21127, 24309, 25695, 40515, 41683, 63381, 72927, 77085, 105635, 121545, 125049, 190143, 208415, 316905, 364635, 375147, 570429, 625245, 950715, 1125441, 1542271, 1875735, 2852145, 4626813, 5627205, 7711355, 13880439, 23134065, 41641317, 69402195, 208206585]

約数ペア:

[(1, 208206585), (3, 69402195), (5, 41641317), (9, 23134065), (15, 13880439), (27, 7711355), (37, 5627205), (45, 4626813), (73, 2852145), (111, 1875735), (135, 1542271), (185, 1125441), (219, 950715), (333, 625245), (365, 570429), (555, 375147), (571, 364635), (657, 316905), (999, 208415), (1095, 190143), (1665, 125049), (1713, 121545), (1971, 105635), (2701, 77085), (2855, 72927), (3285, 63381), (4995, 41683), (5139, 40515), (8103, 25695), (8565, 24309), (9855, 21127), (13505, 15417)]